Patrick Blanc with colleagues during the celebration of his Ph D at the Pierre and Marie Curie University, Paris, Nov. 1978
Patrick Blanc just before bathing in a forest stream, Saint Elie field research station, French Guyana, Fev. 1978
Patrick Blanc coming back from a field trip with botanical samples for his Ph D, Saul, French Guyana, Feb. 1978
Patrick Blanc and Katia Andraos, just before studying the growth habits in the genus Piper, Pierre and Marie Curie University, Paris, Nov. 1978