Dave

On Wednesday December 14, 2006, my stepfather and friend, Dave Williams, died very suddenly of a heart attack at the age of 61. Unlike many of the people who've been memorialized on ScienceBlogs, Dave was not a celebrity academic or a scientific luminary. His contributions to humanity will not be heralded in newspapers or immortalized in textbooks, but that makes them no less real and no less worthy of recognition. Dave was a wonderful man with a wonderful brain, and those who knew him will understand what I mean when I say that his passing has left a Dave-shaped hole in the universe. There…