My Father . Full Colonel killed. Shot down in the Vietnam War in 1967 at age of 37 . In was 2 years old .
Jesus Christ of Nazareth
Jeanne d'Arc, Saint age 19 burned at the stake
Kurt Cobain at 27 by suicide
Jimi Hendrix asphyxiated on his own vomit . Age 27
Honorable mention
Ron "Pigpen" McKernan Founder of The Grateful Dead Died age 27 Congenital biliary cirrhosis, a rare autoimmune disease which was unrelated to his use of alcohol.