Personal Information (Miscellaneous)

  • I repeat this zen saying to myself every morning.
  • When I start to lose my way in life I turn to Hub.
  • When I begin feeling disorganized I turn to Henry.
  • When I need research advice I turn to Albert.
  • When I get confused about what is going on politically I turn to Noam.
  • Here are some other notable quotes.
  • I can apparently trace my academic lineage back fifteen generations to Isaac Newton.
  • My Erdös number is currently 3, my von Neumann number is 4, and my Einstein and Hilbert numbers are 5.
  • I supervised 19 completed PhD students during 2001-2022; we fit into the global academic family tree right here.
  • Some photos from various trips I have taken can be found here.
  • Some additional photos (mainly of my cats) can be found here.
  • Cat people (you know who you are) should click here.
  • Extreme sports videos (Parkour, wingsuit base jumping, etc) can be found here.
  • Some important new developments in science can be found here.
  • I love live music: flamenco guitar, violent acoustic guitar, rock, metal, soul, jazz, bossa nova, sitar, international.
  • I had the good fortune of seeing Michael Hedges perform live twice while he was with us (1987 in Urbana Illinois and 1993 in San Diego CA).
  • I am an ordained minister (in the Universal Life Church), and have performed wedding ceremonies in California.
  • I currently hold my high school discus distance record, and have held the record for more than 40 years.
  • Here is some video of me throwing the discus (1980: age 16/160 lbs, 1981: age 17/190 lbs, 1982: age 18/220 lbs).
  • I have a black belt in Tae Kwon Do, and train with my kids at Church's ATA Martial Arts in San Diego.
  • I grew up in Colorado with my three brothers and my parents. My dad was (and is) an outdoorsman and hunter, mainly an old-school recurve bow-hunter for elk and deer, a pump shotgun hunter for waterfowl and upland game birds, and a bolt-action rifle hunter for large North American game. It was a rite-of-passage for my brothers and I to join my dad on his yearly bow or rifle hunt (after a 10-mile hike into White River National Forest in Western Colorado), and to be out at 5am some weekend mornings freezing our butts off with him in his goose blind.
  • Thomas Fudge at KPBS in San Diego interviewed my partner Mai Nguyen about her research using AI and Machine Learning to detect fires in California. Here is that interview in [ written ] and [ video ] form.
  • Colorado Public Radio interviewed my brother Jon Holst, who spent most of his career working for the Colorado Division of Wildlife as an attorney and wildlife biologist. That interview can be found [ here ].
  • CCA performing Gershwin's "Rhapsody in Blue" (with my oldest child Maven on piano) can be found [ here ]. (21 minutes, 1080p, approx 3.1gb)
  • Lower resolution sample of Gershwin's "Rhapsody in Blue" can be found [ here ]. (8 minutes, 720p, approx .75gb)
  • A video of me describing a math problem I worked on for 20 years is [ here ]. (63 minutes, 360p, approx .96gb)
  • A video of a CNC conversion I did on a mini-mill for precision fabrication of steel and aluminum parts for automotive, robotics, and hobbies is [ here ]. (1 minute, 540p, approx 22mb)





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