Charles Augustus Young (December 15, 1834 – January 4, 1908) one of the foremost solar spectroscopist astronomers in the United States.

He observed a solar flare with a spectroscope on 3 August 1872, and also noted that it coincided with a magnetic storm on Earth.

[4] in 1865, he became a professor at his alma mater, Dartmouth, remaining until 1877 when he went to teach at Princeton University.

Young died of pneumonia after a brief illness, at his home in Hanover, New Hampshire, on 4 January 1908.

Mount Young in Sequoia National Park, California was named in his honor in 1909.