View in July, 2000
Comet S4


I am an emeritus professor of physics at Augustana College, Rock Island, Illinois. My professional interests include physics, astronomy and computers. I maintain several webpages including many of those listed below.

Physics - at Augustana
Astronomy - at Augustana
SPS - physics club activities
Science at Augustana
Comets  -  Hale-Bopp    McNaught-Hartley
                   PAC    Holmes

Spaceweather    APOD 
Calendars - 2014   2015   2016   2017

Science News     The Physics Teacher
Physics Today
NOVA    NOVA ScienceNow

ISAAPT - Illinois Section of the American
                  Association of Physics Teachers
John Deere Chapter of Sigma Xi
Augustana Field Stations
Jenny Lind Chapel - Andover, Illinois
Class reunion
Curriculum vitae    photo
2016 Senior Scientist of the Year
Family photos     Luther-Bach tour

Sports - Augustana   XC   D3hoops  
            Sox   Bears   Bulls   KU   Gustavus

Favorite links    Wolfram Alpha    Science Daily
τ = 6.283185307... = 2π

June 28 is tau day.
March 14 is half tau day.

Last update: Dec. 1, 2017