Jennie Lasby Tessmann

Jennie Belle Lasby Tessmann (August 23, 1882 – December 9, 1959) was an American spectroscopist and college educator. She was a "human computer" at Mount Wilson Observatory from 1906 to 1913, the first woman research assistant at the observatory. She taught astronomy and history at Santa Ana College from 1919 to 1946.

Jennie Lasby Tessmann

Jennie Belle Lasby Tessmann (August 23, 1882 – December 9, 1959) was an American spectroscopist and college educator. She was a "human computer" at Mount Wilson Observatory from 1906 to 1913, the first woman research assistant at the observatory. She taught astronomy and history at Santa Ana College from 1919 to 1946.