Matvey Matveyevich Gusev (Russian: Матве́й Матве́евич Гу́сев) (November 28 [O.S.
In 1860 he founded the first scientific journal dedicated to math and physics in Russia: Vestnik matematicheskikh nauk (Вестник математических наук).
He was first to prove the non-sphericity of the Moon, concluding in 1860 that it is elongated in the direction of the Earth.
[1] He is considered one of the pioneers in using photography in astronomy, having taken pictures of the Moon and the Sun - including sunspots - while at the Vilnius observatory.
A major crater on Mars is named Gusev crater after him, and it is famed as the landing site of the Mars Exploration Rover Spirit.