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 Schicht died in 1823.
Johann Gottfried Schicht was born in 1753.
Johann Gottfried Flügel was born in 1788.
Johann Gottfried Flügel died in 1855.
Johann Gottfried Scheibel died in 1843.
Johann Gottfried Scheibel was born in 1783.
Johann Gottfried Müthel was born in 1728.
Johann Gottfried Müthel died in 1788.
Johann Gottfried Seume died in 1810.
Johann Gottfried Seume was born in 1763.
Johann Gottfried Eckard was born in 1735.