Kevin Hagen, April 3, 1928 – July 9, 2005, was an American actor best known for his role as Dr. Hiram Baker on NBC's TV series Little House on the Prairie.

Hagen was born in Chicago, Illinois, to professional ballroom dancers, Haakon Olaf Hagen and Marvel Lucile Wadsworth. After his father deserted the family, Hagen was raised by his mother, grandmother, and aunts. As a 15-year-old, he relocated to Portland, Oregon, where one of his aunts had taken a teaching job.[citation needed]

Hagen attended Portland's Jefferson High School. His family returned to Chicago, and he attended Oregon State University in Corvallis and the University of Southern California in Los Angeles, California, from which he received a degree in international relations.

"Elegy" is the 20th episode of the American television anthology series The Twilight Zone. It originally aired on February 19, 1960, on CBS. The episode was based on a short story by Charles Beaumont published in the February 1953 issue of Imagination: Stories of Science and Fantasy.