The Department of Biology mourns the loss of Charles "Charley" Yanofsky, who passed away on Friday, March 16, 2018, at the age of 92. Yanofsky, the Dr. Morris Herzstein professor of biology, emeritus at Stanford University, was one of the giants of molecular biology. Yanofsky was a member of the American Academy of Arts and Sciences, the National Academy of Sciences and the Royal Society of London, and received the Albert Lasker Award in Basic Medical Research and the Genetics Society of America Medal, among many other awards. He was past president of the American Society of Biological Chemists and of the Genetics Society of America, and was a Career Investigator of the American Heart Association. At age 79, Yanofsky was awarded the 2003 National Medal of Science. Brilliant, humble and generous, he was a role model to students, friends and family.