Julien Joseph Vesque

Julien Joseph Vesque (8 April 1848, in Luxembourg – 25 July 1895, in Paris), was a French naturalist, noted for his work on the agricultural and horticultural benefits deriving from the study of plant physiology.

He was the father of Marthe and Juliette, the celebrated circus aficionados known as the Vesque Sisters.

[1] Vesque received his early education at the Athénée grand-ducal, moved to Paris in 1871, living and working there for the rest of his life.

In 1880 he stated that the movement of water in plants is due to both transpiration and root pressure.

During his research he invented laboratory instruments for studying transpiration in plants.