Charles Kaman was an American engineer and entrepreneur, best known for founding the Kaman Corporation in 1945. He played a significant role in the development of helicopters and was a pioneer in the field of aerospace technology. Kaman's innovations included the design of the Kaman K-225, one of the first helicopters to use a unique intermeshing rotor system. In addition to his work in aviation, Kaman was also an accomplished musician and a passionate advocate for the arts. He established the Kaman Music Corporation, which produced musical instruments and equipment. His contributions to both engineering and music have left a lasting impact on multiple industries.