Asaph Hall Jr.
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Asaph Hall IV, known as Asaph Hall Jr., was an American astronomer. He was the son of Asaph Hall, who discovered the moons of the planet Mars. One of his brothers was Percival Hall.
Hall from the 1902 Michiganensian
Hall's childhood home, in the Georgetown neighborhood of Washington, D.C. Note his mother Angeline on front steps, and two Black workers. The house later served as the parsonage and fellowship hall of Alexander Memorial Baptist Church.
Asaph Hall
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Asaph Hall III was an American astronomer who is best known for having discovered the two moons of Mars, Deimos and Phobos, in 1877. He determined the orbits of satellites of other planets and of double stars, the rotation of Saturn, and the mass of Mars.
Hall at the USNO in 1899
Hall's former home in the Georgetown neighborhood of Washington, D.C., after enlargement. Note Angeline on front steps and two workers.
Hall's Gold Medal of the Royal Astronomical Society