The crater is named for 17th century French astronomer and geodesist Jean Picard. The expedition was led by Sigurd Gunnarson Helle, a geodesist at Norsk Polarinstitutt. Leszek Roman Cichy () is a Polish mountaineer, geodesist, financier, and entrepreneur. In 1732, the Russian geodesist Mikhail Gvozdev plotted the island's map. In 1732, a Russian geodesist, Mikhail Gvozdev, determined longitude and latitude for the two islands. For many years he was the most prominent geodesist in Britain. Liu Jingnan (; born July 1, 1943) is a Chinese geodesist and educator. After the war worked as a geodesist engineer at the State Planning Institute. Mr, E. Kai (Engineer geodesist), and an officer expert in ballistics (granted by the Army).