Matthew Graham George Thaddeus Taylor (born 1973) is a British astrophysicist employed by the European Space Agency. He is best known to the public for his involvement in the landing on Comet 67P/Churyumov–Gerasimenko by the Rosetta mission (European Space Agency)'s Philae lander, which was the first spacecraft to land on a comet nucleus. He is Project Scientist of the Rosetta mission.