Francis Hallé French botanist and biologist dead at age 87
Francis Hallé, the French botanist and biologist, died on December 31, 2025, at the age of 87. He was a specialist in tropical rainforests and tree architecture, and is best known for the first "Radeau des cimes" ("Navigating the peaks"),… · 31 December 2025 · December 2025 · Halle