Joseph von Fraunhofer was born on March 6, 1787.

Joseph von Fraunhofer was born on March 6, 1787.

Joseph Anthony Von Fraunhofer has written:

'Basic metal finishing'

Joseph von Fraunhofer lived from 1787-1826. He became the director of a scientific institute in Germany. He made some of the best telescope lenses, which he was trained to do. He identified the dark absorption lines that are in the solar spectrum. These lines show scientists which chemical elements are in light.

The spectroscope was invented by Joseph von Fraunhofer in 1814.