At every stage of my career I have had interesting and cordial colleagues, some of whom are close friends.
First of all, many human diseases are influenced by, if not caused by mutations in genes.
The glimpses of human strength and frailty that a physician sees are with me still.
My parents came to the United States in the early years of this century as part of a wave of Russian Jewish immigrants seeking freedom and opportunity in the New World.
As I look back on the last few decades of my life, I am struck by the good fortune that came my way.