Edward Claude Cassidy (May 4, 1923 – December 6, 2012) was an American jazz and rock drummer who was one of the founders of the rock group Spirit in 1967. Cassidy was born in Harvey, Illinois, a south suburb of Chicago on May 4, 1923. His family moved to Bakersfield, California in 1931. Cassidy began his career as a professional musician in 1937. He served in the U.S. Navy during World War II, and after his discharge held many jobs before becoming a full-time musician again. At one time in the ...