He specialised in crops and the insects which fed upon them, writing papers that included the taxonomy of the Psyllidae.
[1] He was born in 1911 the son of John William Heslop-Harrison and his wife, Christian Watson Henderson.
It is not clear if he also accompanied him on the controversial trip to Rum, which escalated into a scandal in the botanical world, when his father claimed evidence of various grass species, evidencing that the island had escaped the Ice Age.
After the war he returned to Britain as a Lecturer in Agricultural Zoology at Newcastle and was in this role for the rest of his life.
His proposers were Alfred Hobson, Robert Wheldon, his father John William Heslop-Harrison and Meirion Thomas.