https://www.thetimes.co.uk/article/leslie-chapman-v7mwgz0md3q
https://www.telegraph.co.uk/news/obituaries/10299926/Leslie-Chapman.html
https://genome.ch.bbc.co.uk/schedules/service_bbc_two_england/1982-11-22
https://hansard.parliament.uk/commons/1978-05-19/debates/9563e6d9-ff71-43fa-b481-d458fa07cc2d/MrLeslieChapman
