A beloved chemistry professor who taught almost every doctor, dentist and scientist in UD’s alumni ranks from the 1950s through the 1980s is making a difference today to hundreds more. In 2001, a year after chemistry professor Carl I. Michaelis died, the University received a remarkable bequest of $1.7 million — part of the estate he’d built with a modest salary, a life lived simply and an investment portfolio that he added to but never subtracted from. Ten years ago, 16 students received the first awards from Michaelis’ endowed fund. Since then, it’s yielded 251 scholarships totaling more than $622,000.