Karl Christian Friedrich Pfizer, known as Charles Pfizer, was a German-American businessman and chemist who co-founded the Pfizer pharmaceutical company with his cousin, Charles F. Erhart, in 1849, as Chas. Pfizer & Co. Inc.
- Occupation
- chemist, entrepreneur
- Citizenship
- Kingdom of Württemberg, United States
- Born
- March 22, 1824
- Died
- October 19, 1906