James Edward Keeler

James Edward Keeler (September 10, 1857 – August 12, 1900) was an American astronomer.

Career and personal life

Keeler worked at Lick Observatory beginning in 1888, but left after being appointed director of the University of Pittsburgh's Allegheny Observatory in 1891. He returned to Lick Observatory as its director in 1898, but died not long after in 1900. His ashes were interred in a crypt at the base of the 31-inch Keeler Memorial telescope at the Allegheny Observatory.

Along with George Hale, Keeler founded and edited the Astrophysical Journal, which remains a major journal of astronomy today.

His parents were William F. and Anna (née Dutton) Keeler. He had married in 1891 and left a widow and two children.

Research

Keeler was the first to observe the gap in Saturn's rings now known as the Encke Gap, using the 36-inch refractor at Lick Observatory on 7 January 1888. After this feature had been named for Johann Encke, who had observed a much broader variation in the brightness of the A Ring, Keeler's contributions were brought to light. The second major gap in the A Ring, discovered by Voyager, was named the Keeler Gap in his honor.

James Francis Edward Stuart

James Francis Edward, Prince of Wales (10 June 1688 – 1 January 1766), nicknamed the Old Pretender, was the son of the deposed James II of England and Ireland, VII of Scotland. As such, he claimed the English, Scottish and Irish thrones (as James III of England and Ireland and James VIII of Scotland) from the death of his father in 1701, when he was recognised as king of England, Scotland and Ireland by his cousin Louis XIV of France. Following his death in 1766, he was succeeded by his son Charles Edward Stuart in the Jacobite Succession. Had his father not been deposed, Great Britain would have had only two monarchs during his lifetime; his father and himself, but instead there were seven; his father, William III, Mary II, Anne, George I, George II and George III. Although the ruling Protestant Stuarts died out with his half-sister, Queen Anne, the last remaining Stuarts were James and his sons, and their endeavours to reclaim the throne while remaining devoted to their Catholic faith are remembered in history as Jacobitism.