James King FRS was an officer of the Royal Navy. He served under James Cook on his last voyage around the world, specialising in taking important astronomical readings using a sextant. After Cook died he helped lead the ships on the remainder of their course, also completing Cooks account of the voyage. He continued his career in the Navy, reaching the rank of postcaptain, commanding several ships and serving in the American War of Independence.
King was born in Clitheroe, Lancashire, in 1750, the son of the Reverend James King, who was at that time curate of St Mary Magdalene, Clitheroe. According to the parish registers young James King was baptised onJuly 1750, presumably shortly after his birth. At an early age King entered Clitheroe Royal Grammar School, where he remained until he wasyears old.
Source: Wikipedia