Aaron Blinovitch

Aaron Blinovitch was a temporal physicist on Earth and the author of the book Temporal Mechanics. The Blinovitch Limitation Effect was named for him. He was also a member of Faction Paradox. (PROSE: Unnatural History) He conceived of the Blinovitch Limitation Effect in 1928 while in the Reading Room of the British Museum (PROSE: The Ghosts of N-Space)

The Twelfth Doctor once said that Courtney Woods would end up meeting Blinovitch as a result of a timeline created by sparing a creature that hatched from the Moon. (TV: Kill the Moon)