Maurice Pechet (February 10, 1918 – March 5, 2012) was a professor, scientist, doctor, inventor, and philanthropist. Pechet made substantial contributions to the field of internal medicine, in particular in the domain of developing new antirachitic sterols to treat metabolic bone disease. He resided in Cambridge, Massachusetts for most of his life. At Harvard University, he was a student (earning both a chemistry PhD in 1944 and MD in 1948), professor, and doctor (Massachusetts General Hospital), and was involved with the campus for 70 years.