|Date of birth:||26th October 1956|
|Date of death:||28th May 1993|
Derek grew up in the UK and started climbing in the Peak DIstrict. In 1983 he moved to the US where he spent the rest of his life.
Derek was a prolific solo climber. He was particularly well known for soloing routes close to his lead grade.
 Obituary: Derek Hersey from The Independent newspaper https://www.independent.co.uk/news/people/obituary-derek-hersey-1494003.html