On 20 May, a number of people important to the production of Doctor Who and its spin-offs either died or were born.
- 1915 - Actor Peter Copley was born.
- 1926 - Writer John Lucarotti was born.
- 1931 - Actor Michael Spice was born.
- 1932 - Actor Vera Fusek was born.
- 1961 - Actor Owen Teale was born.
- 1963 - Actor Jenny Funnell was born.
- 1966 - Associate producer Mervyn Pinfield died.
- 1977 - Director Lennie Mayne died.
- 1989 - Actor Judith Byfield died.
- 1996 - Actor Jon Pertwee died.
- 2014- Actor Barbara Murray died.