Johann Gottfried Galle, (1812- 1910), was a German astronomer who on September 23, 1846, was the first to observe Neptune. He also suggested a method, of measuring the scale of the solar system through observing the parallax of asteroids.
Johann Gottfried Wetzstein died in 1905.
Johann Gottfried Büring died in 1788.
Johann Gottfried Büring was born in 1723.
Johann Gottfried Schnabel died in 1751.
Johann Gottfried Roesner was born in 1658.
Johann Gottfried Roesner died in 1724.
Johann Gottfried Koehler died in 1801.
Johann Gottfried Koehler was born in 1745.
Johann Gottfried Auerbach died in 1753.
Johann Gottfried Wetzstein was born in 1815.
Johann Gottfried Wetzstein died in 1905.
Johann Gottfried Stallbaum was born in 1793.