29 January 1930: birth of William Emms, author of TV story Galaxy 4 (1965) and the widely and justly forgotten Sixth Doctor book, Mission to Venus (1986)
29 January 1959: birth of Phil Nice, who played a hiker in Torchwood: Miracle Day (2011) and Henry the astronaut in Kill the Moon (Twelfth Doctor, 2014).
29 January 1976: birth of Mark Clapham, author and co-author of various Doctor who novels and books.
29 January 1988: birth of Catrin Stewart who played Jenny Flint in various Eleventh and Twelfth Doctor stories 2011-14.
29 January 2013: death of Bernard Horsfall, who played Gulliver in The Mind Robber (Second Doctor, 1968), a Time Lord in The War Games (Second Doctor, 1969), Taron in Planet of the Daleks (Third Doctor, 1973) and Chancellor Goth in The Deadly Assassin (Fourth Doctor, 1976). I had hoped to see him at Gallifrey One a few weeks later where he was a scheduled guest, but it was not to be.
ii) broadcast anniversaries
29 January 1966: broadcast of "The Destruction of Time", twelfth episode of the story we now call The Daleks' Master Plan. The Doctor activates the Time Destructor, killing the Daleks, but also aging Sara Kingdom to death. Last appearance of Jean Marsh as Sara Kingdom, though she comes back again as Morgaine in 1989.
29 January 1972: broadcast of first episode of The Curse of Peladon. The Doctor and Jo arrive on Peladon and are mistaken for the Earth delegation of ambassadors adjudicating Peladon's application to join the Federation.
29 January 1977: broadcast of first episode of The Robots of Death. The Tardis lands on a giant mobile sandminer, whose crew are being murdered one by one.