I'll never forget Matt. Always kind and smiling, he would always be a welcome, happy sight at the Numenta parties (or in the office, before he started working remotely). He invited our family to a party in his neighborhood one summer, and I distinctly remember him telling me, the harried mom of a rambunctious toddler and an infant, that "it gets better." I carried those words with me for a very long time, and I will never forget the kindness he showed Austin and my family over the years. My heart breaks for this loss to the world, to his beloved Romie and Dean, and especially Trinity. I'm so, so sorry for all of y'all's loss.

Matt was always bright and creative and welcoming, and had a talent for explaining hard concepts. Matt explained hotgym to me, when I was an intern. :)

I remember going to the nearby Five Guys with him and the other folks around the office. And his haiku were a delight as well!

Watching his videos has let me feel connected to the Numenta project even as I'm far away working on other things. It's always been a delight to see what new way he'd figure out to explain HTM concepts.

Rest in peace, Matt. My sincerest condolences to his family, friends, and coworkers.

I am truly shocked and saddened to hear of Matt's passing. He was doing such a fantastic job enthusiastically pursuing and promoting explorations in biologically inspire artificial general intelligence. His video conferences were extremely valuable. I was looking forward to his frequent twitch broadcasts. It saddens me that I won't see him again live on video again. He was such a refreshing personality in the community, his presence will be sorely missed.

Thank you Matt for your bright and enthusiastic discussions of the human visual system, hypothesis testing, cortex inspired neural nets and fuzzy logic. You were always available to help - with the nitty gritty of installing a tool box or with the deep scientific insights of the implications of Numenta-style computation and information science.

I'm miss your friendly presence, kind help and inspiration for making software and the world a better place. Condolences to your family for your loss. 

Rest in peace, Matt. You brought people together with your warmth and passion. You will be missed.

Condolences to the family.

I'm deeply saddened to see the news. I can't believe it. I knew Matt well, back when we were both in St. Louis, before the big adventure in California. He was sharp, ambitious, and hilarious. I still remember his jokes and huge grin. Sadly, I've drifted from those days, but followed his Twitter account with a smile. My deepest condolences to his loved ones and friends. He will be missed. 

Matt had one of those larger than life personalities. Always in a good mood, cheering everyone up, proposing crazy new ideas, and adding passion and grit to every project. He was brilliant, talented, unique. Irreplaceable. I learned a lot from him, and I was looking very much forward to learning a lot more. It is a tragic loss for his family, friends, colleagues, and for the community he built and cherished. My feelings go to his family, may you be at peace. Be proud of the person he was. His legacy will live on.

Some things aren't supposed to happen. Matt was the person who was supposed to be around until we figured it out. He cared deeply and was constantly moved by a sense of wonder and awe for the exploration we were undertaking. While I only worked with Matt for a while I always felt that he was available to talk about the things we both thought about constantly. He was the kind of guy who I assumed would always be around and interested in talking even if we hadn't seen each other for months or years. His creativity, passion, tolerance, openness and kind joy were unique in my experience and should be a model for us all.

The world is a much poorer place without him.

Hexagons forever Matt.

I only knew Matt from his videos, but we're the same age, have similar degrees, and I always thought of him as a kindred soul. Too soon. I'll miss you.

I thought Matt was supposed to be with us when we booted up the first legit machine consciousness. He would've done the episode where he taught everyone how to build their own at home. You're missed buddy. I hope that somehow you're still with us when it happens.

I just received this awful news. He will be remembered as the Numenta Community Manager and his HTM school video, in his dedication to the project. I just spoke to him during https://www.twitch.tv/videos/615204506 !
My condolences to him, his friends and especially his family during this terrible event! He will be truly missed by all.

Matt is the first person I met at the 2014 Numenta hackathon. This event has a very special place in my memory: Jeff's excellent talk on the neocortex and Matt's infectious passion when applying the HTM to all sorts of real-world problems are the reason why I decided I wanted to work at Numenta. I remember writing in my notebook - I was trying to be discreet during Matt's presentation - to my neighbor: "this is amazing, I have decided I want to work here". I just went digging for this notebook and reading the words again made me remember Matt fondly.

I remember I was worried about my English accent and didn't want to show what I had built during the hackathon. He encouraged me to present my project, made some jokes, and it all turned out to be quite fun. I was mesmerized by Matt's creativity and the many ways he thought of applying the HTM (during the hackathon he demo'ed this Minecraft world he created and how the HTM was able to learn a model of world)

Fast forward, I ended working at Numenta - a very happy time. Amongst the many things that made this place a great place to work, Matt's kindness, empathy, infectious joy, and creativity were a big part of it.

Matt was a genius "hacker". It's unfortunate the word hacker is often connotative of "breaking in" because at the root, it really means: "individuals who enjoy the intellectual challenge of creatively overcoming limitations of software systems to achieve novel and clever outcomes." . And working alongside Matt at Numenta was just that: a wonderful burst of happy creativity. I will forever remember Matt and his innovative spirit.

We have all lost a really remarkable guy.
Matt was in all ways kind, creative and brilliant.
He was a great scientist, engineer and teacher, and must have been a spectacular father and son.
I personally owe so much to Matt.
I will never forget him, and will miss him dearly.

This is a shock. Matt and I worked together for a short time 13 years ago, but I always remembered him as our first true "Build Tsar".

I've enjoyed following him online since.

I have fond memories of interacting with Matt on several occasions, both at several Numenta Hackathons in Redwood City, San Jose and San Francisco and that one time when Jeff came to speak at NASA Ames Research Center. I think Matt had carried all of Numenta's swag to the Center and was pleased to see all the coffee mocks finding their ways to the various desks across the Center. He did such a great job as the driving force behind the Numenta open source community. RIP Matt. I will miss your uniquely personal style on Twitter and Youtube, and your latest ventures into cryptoart.

I have been following Numenta for many years. I especially like the tutorials that Matt provided for the community. He will be missed. His passing is so very sad.

I worked closely with Matt for the past eight years and will miss him dearly. He brought passion, curiosity, and good humor everywhere he went and to everything he did. Here are a few memories of Matt that I will always keep with me.

- Matt and I both loved to think about the universe and how crazy it is. We were often the first two people to arrive at the office and if we got started talking about space or time or the future of life, we might continue for an hour or more before realizing how much time had passed. He loved that stuff.

- One day Matt said he wanted to work in the office via a tele-presence robot. None of us had ever seen this before, so we said "sure, try it out". It worked great. Matt was always tooling around the office, his face visible on a iPad mounted on top of two-wheeled robotic pole. After meetings, I would often ask Matt if he wanted a "ride" back to his desk. I would pick up the robot pole and carry Matt with me. His face, on the iPad, was right next to mine and we would chat as we walked around the office together. It sounds crazy, but I felt close to him during those chats.

- Another time Matt asked if I would mind him streaming our research meetings on Twitch! What a crazy, but brilliant, idea. We became the first research group in the world, that I know of, that started streaming what really happens in a theory lab. We exposed our messy and ad-hoc white board debates for anyone to see, and people loved it. I think every research lab should do this. Matt often led the way.

- One more story. Matt was always doing new and creative things. When he logged in for the day (on the robot) he might start by describing what was special about the new guitar he was getting, or show some digital art he created, or show how he was using Minecraft to demonstrate brain principles, or he might talk about a presentation he was creating about the vastness of space. What I loved about this was that Matt wanted to talk about everything that interested him, he didn't parcel his interests into "work" and "pleasure". To Matt, everything he did was pleasurable, including his work.

Matt passed into the vastness of space before his time. We are all terribly sad about this. But I want to remember Matt for the happiness he brought us. I miss him.

I'm shocked to learn of Matt's passing. He was a great guy and such a curious person, deeply interested in the world and learning how things work. I had many long and fascinating discussions with him about all matter of subjects. He spoke at the very first Lambda Lounge group meeting in St. Louis and was a presence in the St. Louis dev community for many years. I loved watching what he was doing at Numenta from afar and was always happy to get a chance to catch up with him. I am so sorry for his wife and family and my heart goes out to them.

This is such a shock! Matt was a fantastic person and contributed so much to Numenta and to the community at large. He will be dearly missed.

Very shocked to hear the sad news. Matt was a great pleasure to work with and his name still brings back memories of the smile and positive energy that he embodied.

You will be deeply missed.

Matt infused the workplace with calm, caring, and laughter and was always a delight to be around. We should all aspire to bring the same positivity, curiosity, and delight of lifelong learning and teaching that he brought. The world has lost someone truly special.

There’s a good chance I wouldn’t be working at Numenta if it weren’t for Matt. When I attended my first Numenta weekend-long event in 2014, I sent a text message to a friend saying, “I'm basically in Disneyland right now.” I got to experience this Disneyland because of Matt. He is... was... someone who periodically came forward and said, “I think good things will randomly happen if we do X,” and this 2014 event was just one example of Matt’s many X’s. At the time I was trying to make my entrance into neuroscience + machine intelligence, and Matt’s work gave me a set of warm experiences and a clear entrance strategy. Now, six years later, it is safe to say that Matt made a huge impact on my career. I will always be grateful.

I remember Matt fondly as a positive force, always energetic and supportive. The role of community manager was perfect for him, given his energy and unbound enthusiasm and dedication to a greater cause. Such a senseless and tragic loss, may his soul RIP.

I will always remember working with Matt.  He was a stand up guy, friendly, smiling, and excited about the day.  My heartfelt condolences go out to the family.  I am thankful I had the chance to know him.

I first met Matt at one of Numenta's hackathons in San Francisco. Wanting to be a part of the community, I glommed onto Matt to find ways to help out, because of his generous nature and welcoming personality. And he delivered! Through Matt, I was able to get involved in a number of projects surrounding NuPIC and Numenta, from building tools to t-shirt design. For that I am grateful to both Matt and the Numenta community.

From there, Matt and I discovered we shared a love of music, and became good friends. From time to time, we would attend live music events together - from heavy metal to Mali desert blues. Eventually we found ourselves living in the Santa Cruz mountains, which allowed our friendship to grow further. We had recently started playing live music together, and were at the beginning stages of putting together what I called a "Dad Band" of dads who like to rock.

Matt brought structure to our disorganized sessions, always bringing sheet music of songs that he wanted us to play, with enough copies for everyone. Quickly, Matt became the unofficial musical leader of our little group, pushing us just gently enough to move us forward, but also letting everyone have their time to shine. I am grieving for the songs that we will not get to play together. Grieving for the long friendship that could have been, but has now been cut short.

Matt was as multi-talented and intelligent as he was good natured, generous, and kind. A real treasure of a human.

My heart goes out to Matt's family, and all of the many people that Matt touched with his kind and compassionate soul.

I've been closely following Numenta since I was 14, and though I usually didn't involve myself too much with the community, many of my interactions were with Matt. Matt was always great and interesting to interact with, and was an amazing fact to the organization and its mission.

Thank you Matt for all your work.

Very sorry to hear this. I had the privilege of working with Matt only a few times during my time at Numenta, but in every interaction he came across as extraordinarily passionate, funny, fervently curious, inventive, and generous. He made the open-source community what it was. His dedication to open, creative initiatives were part of what had drawn me to Numenta in the first place, and what seemed to be the beating heart of its future. What a brilliant light we just lost. My condolences to his family and to the Numenta family, what a sudden blow! Take care all.

Matt's videos are unique. He makes understanding hard topics fun and interesting. He will live on through his work and the memories of friends and family.

Matt has inspired me ever since he joined the project. His wit and his passion for learning and teaching and connecting with others was infectious. I am so sad to hear of his passing and will pray for his family and close friends. I wish I had known him better. He will be missed.

Wow, simply no words! Matt and I had a number of exchanges, most were good, some in disagreement but I always respected him and appreciated all the things he did. I will sorely miss him. The most sincere condolences to his family.

Matt was a special person with an infectious smile and insatiable curiosity. As creative as he was kind, he had a knack for bringing people together. He could connect with anyone, and he truly saw the good in people. He loved his family, his work, his art, and his music. 

I will miss Matt terribly, and I'm so grateful to have met him and worked with him. 

As the manager of our open source community, Matt was a vital force at Numenta. He joined us because of his passion for our work, and that passion never wavered. He took it upon himself to make his personal mission one of explaining our theories to developers and the general community. He built a vibrant and active on-line community. He was constantly proposing new ideas, whether starting a podcast, creating animations, or live-streaming our research meetings. 

We are really going to miss Matt.