Poor health forced Flamsteed to leave school in 1662. He studied astronomy on his own and later (1670–74) continued his education at the University of Cambridge. In 1677 he became a member of the Royal Society. Ordained a clergyman in 1675, Flamsteed in 1684 received the income of the living of Burstow, Surrey. His report to the Royal Society on the need for a new observatory resulted in the founding (1675) of the Royal Greenwich Observatory, of which he was the first director (and hence astronomer royal). He found that he himself had to supply all the instruments at Greenwich, apart from a few gifts; he was forced to take private pupils to augment his income. A small inheritance from his father, who died in 1688, provided the means to construct a mural arc, a wall-mounted instrument for measuring the altitudes of stars as they passed the meridian.
