Penelope Powell

Penelope (“Mossy”) Powell was a pioneering British cave diver. She was Diver No. 2 for the first successful cave dive using breathing equipment in Britain, at Wookey Hole Caves in the Mendip Hills, Somerset, on 14 July 1935. She co-wrote the first cave diving book, The Log of the Wookey Hole Exploration Expedition: 1935.