Mary Letitia Caldwell
Mary Letitia Caldwell | |
|---|---|
Mary Letitia Caldwell in 1913 | |
| Born | December 18, 1890 |
| Died | July 1, 1972 (aged 81) |
| Nationality | American |
| Alma mater | Western College for Women, Columbia University |
| Awards | Garvan–Olin Medal (1960) |
| Scientific career | |
| Fields | Chemistry |
| Institutions | Columbia University |
| Thesis | An experimental study of certain basic amino acids (1921) |
| Doctoral advisor | Henry Clapp Sherman |
| Doctoral students | Marie Maynard Daly |
Mary Letitia Caldwell (December 18, 1890 – July 1, 1972) was an American chemist. She was an instructor at Western College teaching chemistry. Mary was in a wheelchair due to muscular disability. Most of her work centered on amylase, a starch enzyme, most notably finding a method for purifying crystalline porcine pancreatic amylase. She spent sixty years doing this.