Lieutenant commander Matthew Robert Todd (3 May 1924 – 29 January 2020) was a submariner who commanded the Royal Navy's Submarine Escape Training Tank from 1964 to 1974 and pioneered the use of new equipment which replaced the old Davis Submerged Escape Apparatus to enable escape from much greater depths.[1]
His father, Jack, was the MP for Berwick-upon-Tweed. His son, Mark, was the MP for South Derbyshire.[1]