1958 suicides

Dean_Detton

Dean Henry Detton (June 27, 1908 – February 23, 1958) was an American professional wrestler and World Heavyweight Champion who was active in the early portion of the twentieth century. Previously he was a proficient University of Utah football player. Detton was born in Richmond, Utah and raised Mormon. He retired from wrestling in 1951 and then ran a bar, The Turf Club, where he eventually hanged himself to death. For his last 14 years he had lived in Hayward, California.

Jack_Cole_(artist)

Jack Ralph Cole (December 14, 1914 – August 13, 1958) was an American cartoonist best known for birthing the comedic superhero Plastic Man, and his cartoons for Playboy magazine.
He was posthumously inducted into the comic book industry's Jack Kirby Hall of Fame in 1991 and the Will Eisner Award Hall of Fame in 1999.