Jean, Paul, Antoine Lebrun, born in Bruges on 7 October 1906, studied colonial agronomic sciences (University of Louvain) and, after a training in the Garden, botanical sciences. He went to Congo in 1929 as an agronomic engineer. He crossed the country for two decades. In 1930 he travelled to Kasongo-Lunda to study Encephalartos laurentianus, and between 1937 and 1938 he explored the Albert Nature Park. He is the author of a monograph of Coffea in Congo and many other botanical works especially about the rainforest. From 1948, he taught at the University of Louvain. He died in Brussels on 15 September, 1985.