John Coulson Tregarthen FZS (9 September 1854 - Newquay, 17 February 1933) was a British field naturalist and author, described as "the best loved Cornishman of his time". Tregarthen was born in Penzance, Cornwall, the son of James Tregarthen of St Mary's, Scilly, and Morrab Road, Penzance, and Susan Bevan, the daughter of John Coulson of Penzance. He was educated at Penzance Grammar School and Wren's, and graduated with Mathematical Honours from...