Today it would have been your birthday. If you were still around, and in an alternate reality, I would have probably stopped by to our office to check a few things and probably met you there. We would have talked about our recent observations at Lick or Keck observatory, briefly discussed the last drama at the department, and move on with our lives with a laugh. I am not at UC Berkeley anymore but I do think of you every time I observe a supernova, so somehow you are still here.

李卫,

Thinking of you...This coming year will be our 30th anniversary of graduating from college. We are planning a reunion and will miss you!

Jiang

Hi Weidong,
Think of you from time to time. Wish you a happy life in another world. Encouraged and helped by you. Thank you always!

In finishing up our latest papers from the CSP, I realized how much of an influence you have had in our field. But that is not what is important. In just reading your name, smiles came back to me remembering who you were - your optimism, your humility, and the respect that your colleagues have for you. All our science - the awards, citations, celebrity, discoveries - pale when I think of how important it is that a good person lived and touched our lives.

Thinking of you today, Weidong.
You would have loved Alex's 60th Birthday celebration.
Adam Riess

Hi, Weidong,
I have not come here to say Hi for a bit long time. Today just drop by and say Happy New Year to you!

I think of you frequently, dear Weidong. Your kindness and smile are in my memory, and your contributions to science live on: KAIT is continuing to make discoveries of interesting supernovae. I wish you were still with us.

Thinking and Missing about you, Weidong. Several years to work and play PingPang together with you at Xinglong.

Dear Weidong,
 5 years ago today (Dec. 12) was a terrible day. I miss you more than you could have ever known.

Thinking of you and missing you today Weidong.

5 years already. Rest in peace, 卫东. 没想到2010年旧金山是最后一面。

I miss you and wish you were still here. Your death is a great loss to your friends and to the world.

李老师，第一次见您是在我大三的暑假，听一个有关您的超新星讲座，太精彩。您还特意把我邀到清华去针对我提出的问题一一作了详细解答，聊了很久。我也深受鼓励。随即同年12月得知您突然离世的消息震惊不已……今天SNS有人分享有关您最后的消息，唏嘘不已。在网上找到这里，写下一小段话，以表对您的哀思。后来我也顺利来到美国继续读天文了，虽然没做超新星，但也算应了您那句祝福我的话。谢谢您，我会继续努力。天堂里没有压力和光污染，您一路走好。

今天才知道大学时同屋的你去了，希望你在天国一切都好。- 鹿通

Dear Weidong,
Today would have been your 46th birthday, had you not departed from this world so suddenly. You would have loved working with our team the past few years; there have been many exciting discoveries. I miss you dearly -- both your collaboration and your friendship.

生如新星之灿烂！

祝魂与星空常相伴！ 晚到的祝福 by 于咏梅师妹

Those precious time you spent on providing me advice is always be treasured and shining days of future past. You are forever missed, Dr.Li. My mentor, my friend. R.I.P.

Dear Weidong,

Today marks exactly two years since you so tragically left us. Not a day goes by that I don't think about you. You have left a huge hole in my life, and I cherish the time we had in Berkeley. You would have had so much fun studying the interesting new supernovae that have appeared these past two years. Your absence is difficult to comprehend, but we continue our research, partly as a tribute to you. We deeply miss you, Weidong. May you rest in peace.

两年前的夏天与李老师会晤于清华，其情其景历历在目，难忘李老师对后辈的殷切关怀。

一年后才获悉的一个噩耗，依然泪流满面。虽然二十多年没有再见，但师兄的音容笑貌恍若眼前。安息吧，那个世界想必有更美丽璀璨的星星陪伴你！白晨

Weidong's Birthday is a time to remember him and to realize what a large empty space he has left in our lives. Knowing him was a gift in my life which I will never forget. I still miss him. Despite my sadness, I am privileged to call him my friend.

卫东弟,多年没联系,总想咱们有的是时间,好日子才刚刚开始,却想不到听到的是你离我们而去的噩耗.卫东弟,你一直是我们大家的骄傲.于父母你是孝子,于弟妹你是好兄长,于妻女,你是好丈夫,好父亲.于国家于社会,你是民族的栋梁.也许是肩负太多的压力,没给你喘息的空间.也许是天妒英才,你就这样匆匆的离去.相信你有太多的不舍,于亲人于妻女于你热爱的天文事业.希望在天堂再也没有压力,你的孝道、勤奋和成就将永远激励我们。安息吧！卫东弟。

Dearest Weidong, how truly sad to hear of your untimely passing from this dimension on to another. You tirelessly shared your enthusiasm and knowledge of the stars with both your professional colleagues and amateur friends alike. Rest peacefully, my good friend.

Seating in the Berkeley remote control room and seeing your picture on the Haiku notebook, I realize how we are all missing you, your smile, your kindness and your presence. Rest in Peace.

It is so sad that you had to go so early, Weidong. Although we never met (I only did some work on LOTOSS, of which you were a key member), it is obvious that you were a very special person, full of enthusiasm and always helping others learn and give their own contributions to science. Rest in peace, knowing that many people will always remember you and be grateful they once met you.

It was sad to hear the news about Weidong. His passing is a great loss to the supernova family, both amateur and professional.

Dear Weidong, I will always value the kind way in which you offered help and assistance to us amateurs, you even took the time to confirm one of my discoveries . Your advice was always freely given and will be treasured always. R.I.P. dear Weidong.

Weidong you were always helpful to me and other amateur SNe patrollers in the UK. You were a gem of encouragement and motivation. You will be sorely missed by us. You were always quick to offer advice and assistance. It is such a shock to hear that you are no longer with us. I will think of you every time I have a SN candidate.

卫东老弟，你是我们全体李姓家族，全体家乡学子的骄傲，随着你的足迹和学业成就你变成我们全国和全世界学子的骄傲，你所取得的成绩将时时激励着我们及后来者励精图治，奋发图强，以你为榜样为国家兴旺，科学进步前赴后继！你的勤学苦练，孜孜不倦，奋力拼搏的精神将永远激励着我们！愿你在天之灵安息！

I can't find the words to express how deeply you will be missed, Weidong. I cherished our collaboration, and so admired your dedication and wonderful humor. The Universe which we explored together is now an emptier place, one more star lost, but by your work and in our hearts, your brilliant light will always illuminate us.

Weidong taught me much of what I know about CCD photometry, and I am indebted for his help. We worked together on several projects, in particular a paper on a KAIT GRB which he and I co-authored. We had both done a great deal of work, but he graciously stepped aside to allow me to be first-author. He was always a positive presence at Alex's meetings and around the astronomy department.

I am in debt with you for the work you have done with supernova search. Rest in peace Weidong.

Dear Weidong,
I have been looking forward to meet you at Beijing this summer. I will surely remember you in the GA.　一路走好。

Candle lit by Alma Menn on 10 of January 2021
I morn the loss of my dear friend, Weidong. I met Weidong and Ling soon after they arrived in Berkeley. My sister, Marilynn, helped them improved their English. I have shared many happy days with Weidong, Ling and Stella. I do miss Weidong. May you rest in peace among the stars.

Dear Weidong, I am still in shock and can't believe you have left us. If such things can be known, I would like to think that you are now reunited with your Chinese mother, and your American mother (and my mother) Marilynn. All my love to you wherever you have gone, dear Weidong. I will miss you.

當我同事告訴我您去逝的消息時候, 我驚訝的說不出話來, 還記得幾年前才聽過您的超新星的演講, 鼓舞了許多年輕人從事這方面的研究, 而如今, 您已經離開我們到天堂去了, 希望您這一路上好走。

I took a few spectra of SNe for Alex at Lick, resulting in 3 papers but the most cited one- Li et al. 2001- has 121 citations and my name appears right next to Adam Riess, who won the Nobel Prize in physics in 2011-something I can show to my kids. Thank you, Weidong, for including me; it means so much. Sad not to have met you.

李卫,
我觉得很心痛当我看到你和你那么漂亮的女儿合影。我想你一定舍不得离开她。 我希望你到了天堂那边不用黑白颠倒看星星。 所有的星星任何时侯你都一览无余，欣赏灿烂的宇宙，不再辛苦，只有欢乐。我们大学毕业照让我再次回想起你的音容笑貌，R.I.P. my dear and excellent friend!

Dr. Li,
Many thanks for your contribution to Astronomy and Astrophysics.

Thanks for all you've done for our community and your precious family. Until we meet again.

感谢你为我们的社区和您的珍贵的家庭的所有。直到我们再次见面。

Weidong,
I can't believe this is the last message I write to you. Your insights and knowledge, enthusiasm, and friendly disposition will be missed greatly. Your contribution to science will live on forever even if you're body cannot. Rest in peace.

Dear Weidong, The Lick Observatory Supernova Search that you led for so many years was very influential and what made possible to launch the low-z Carnegie Supernova Program In Chile in 2004, and also a model and inspiration for our similar CHASE work in the southern hemisphere. Your legacy will live for ever. I remain very grateful for the wisdom and knowledge that you shared with us.

It is hard to believe I will never see you again Weidong. Your science helped us understand so much about the Universe. Your helped so many undergraduates get excited about astronomy. I know that part of your legacy will be that you touched so many with you humanity. I will miss you.

I can remember the first day you showed up to Alex's group meeting in Berkeley, bringing sweets from China to share with everyone, like it was yesterday. Joking with you about how hard it was getting sleep between observing and having a new-born baby. I can't believe it has been 14 years...I will miss your smile and your easy kind words to all. Peace.

Weidong, I will never forget the help you gave me in getting started with research. I am sincerely grateful for your enthusiasm and dedication. Rest in peace among the stars.

I am stunned you are gone. I will miss you greatly, from our ping pong games to discussions of science. You had "tons and tons" of enthusiasm and energy. I will miss you.

以前虽久闻大名，但无缘相见。今年暑假初次见面却成永别。你的乐观豁达，敏捷的思维给我留下了深刻的映象。你给我关于在超新星巡天方面的建议和帮助使我受益匪浅。初闻噩耗除了震惊不知所措。此时此刻寄上哀思，祝你一路走好。

头一天晚上还和朋友提到卫东兄弟的名字，没想到第二天就看到系里的邮件。实在太震惊了，也非常非常的遗憾！25年前认识李卫东，他一直是班上成绩最好的。后来在天文台开始在施密特隔壁的60公分做超新星，也一直是做的非常好。后来去美国还发现过几颗以“Li”命名的彗星。兄弟一路好走。

R.I.P.

今年7月份在北京相会，卫东你还是那么壮硕，那么乐观，那么豁达，怎么突然就走了呢？