Memoriam in: The Linnean Society of London website news, https://www.linnean.org/news/2022/12/13/professor-grenville-gren-llewellyn-lucas-obe-bsc-fls-frgs-20-dec-1935-12-dec-2022-botanist-conservationist-and-champion-of-the-linnean-society (via Anjali Goswami (LINN) & John McNeill (E))