Pierre Viala
Author
Pierre Viala was a French scientist.
In 1901–1910 he and Victor Vermorel published Ampélographie. Traité général de viticulture, a seven-volume ampelography of 3,200 pages describing 5,200 grape varieties. Wikipedia
Born: September 24, 1859, Lavérune, France
Died: February 11, 1936 (age 76 years), Paris, France