Geodesy, also named geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three-dimensional time-varying space. Geodesists also study geodynamical phenomena such as crustal motion, tides, and polar motion. Read more
Alexander Ross Clarke (1828-1914) was a British geodesist, primarily remembered for his work defining different reference ellipsoids approximating the shape of the geoid. Clarke was born on December 16, 1828 in Reading, Berkshire, England. He spent his childhood in the British colony of Jamaica, until his family returned to England. Read more