Francis Hallé
Francis Hallé was a French botanist and biologist. He was a specialist on tropical rainforests and of tree architecture. He is best known for the first "Radeau des cimes" he initiated with an aerostatic balloon in 1986. He was a Professor Emeritus at the University of Montpellier.
In 2010, he and Luc Jacquet started to collaborate for a Wild-Touch film project, La Forêt des pluies, a documentary about primary forests.
Hallé died in 2025, at the age of 87.