Antoine Laurent de Jussieu

Born 12 April 1748, Antoine Laurent de Jussieu entered a family already thick with botanists; his uncle Bernard had sketched an unpublished natural classification that refused the artificial groupings of the day. Antoine took that private scaffold, extended it, refined it, and in print gave the world the first true natural system for flowering plants — one that grouped by fundamental anatomy rather than convenient surface traits. The work held. Much of his architecture survives in modern taxonomy, a rare trick for any 18th-century scheme. He died 17 September 1836, having reordered the kingdom…