I offer my most sincere condolences. I recall with vivid memories watching Harry practice his white-water kayaking slalom techniques of upstream gates in the UMR pool early in the mornings while I swam laps.  Often, it was just the two of us in the pool.  Harry's instructions to me were to keep an eye on him while he performed his slalom techniques followed by his attempts to upright himself while staying in the kayak upside down without the use of his paddle.  His determination and skills were phenomenal. He shall be missed!