Be the first in the room — members see you arrive.
Join the roomPierre Antoine Ernest Tardi was a French geophysicist, astronomer, and geographer. From 1946 to 1960, he was the secretary general of the International Association of Geodesy, and editor-in-chief of the Bulletin Géodésique from 1946 to 1951. He also served as president of the Société astronomique de France from 1964 to 1966.