Photo of Erich Kaltofen                     Photo of Erich Kaltofen and Stephen Wolfram
Erich Kaltofen in November 2013 (St. Florian, Austria)                                       Erich Kaltofen and Stephen Wolfram in July 2018 (New York, NY)
Photo of Erich Kaltofen
Erich Kaltofen in July 2007 (Saigon, Vietnam)


Photo of Erich Kaltofen
Erich Kaltofen in July 2008 (Hagenberg, Austria)
Photo of Erich Kaltofen, George Collins, Bobby Caviness Erich Kaltofen, George E. Collins [Jan 10, 1928-Nov 21, 2017], Bobby F. Caviness [Mar 24, 1940-Jan 11, 2018] in September 2009 (Raleigh, USA)