Portal:Speculative fiction/Anniversaries/April/April 20

April 20:

Film releases
 * 1955 - Conquest of Space, a science fiction movie produced by George Pal which depicts a voyage to Mars

Television series
 * 1969 - Joe 90, a British science-fiction television series, finishes airing on ATV

Births
 * 1848 - Kurd Lasswitz (d. 1910), a German author, scientist, and philosopher considered the father of German science fiction
 * 1908 - Donald Wandrei (d. 1987), an American science fiction, fantasy and weird fiction writer, poet and editor
 * 1911 - Kukrit Pramoj (d. 1995), a Thai politician, author, and scholar
 * 1930 - Péter Zsoldos (d. 1997), a Hungarian science fiction author
 * 1937 - George Takei, an American actor, best known for his role as Hikaru Sulu in the television series Star Trek
 * 1939 - Peter S. Beagle, an American fantasist and author of novels, nonfiction, and screenplays
 * 1964 - Sean A. Moore (d. 1998), an American fantasy and science fiction writer and computer programmer

Deaths
 * 1950 - Warwick Deeping (b. 1877), a prolific English novelist and short story writer
 * 1959 - Morris K. Jessup (b. 1900), best known for pioneering ufological writings and his role in "uncovering" the so-called "Philadelphia Experiment"
 * 1997 - Tong Enzheng (b. 1935), a Chinese archaeologist, historian, designer, and science fiction author
 * 2002 - Felix C. Gotschalk (b. 1929), an American science fiction writer