Deaths from head injury

Richard Sumner Cowan (January 23, 1921 – November 17, 1997) was an American botanist.

Alex M. Clark (March 22, 1916 – February 14, 1991) was an American politician. He became the youngest mayor of Indianapolis in 1951. He served one term and later ran again in 1967, losing in the primary to eventual winner Richard Lugar. He was a World War II veteran, and a former POW. In 1956 he and a number of friends formed the Wyoming Antelope Hunters Club in Indianapolis, which is still an active social club today. Prior to being mayor, Clark was a deputy prosecutor and judge in Marion County, Indiana.
Clark died in Argentina in 1991 of a head injury while on a cruise, returning from Antarctica in pursuit of his goal to visit every continent.

Steven John Bator (October 22, 1949 – June 4, 1990), known professionally as Stiv Bator and later as Stiv Bators, was an American punk rock vocalist and guitarist from Girard, Ohio. He is best remembered for his bands Dead Boys and The Lords of the New Church.