Ernest Tyzzer

Ernest E. Tyzzer

Ernest Tyzzer (1875–1965) was an American pathologist and parasitologist known for his pioneering work in the field of infectious diseases. He made significant contributions to the understanding of parasitic infections and cancer research.

Early Life and Education

Ernest Edward Tyzzer was born on August 30, 1875, in Wakefield, Massachusetts. He attended Harvard University, where he earned his undergraduate degree in 1897. Tyzzer continued his education at the Harvard Medical School, receiving his M.D. in 1902.

Career

After completing his medical degree, Tyzzer joined the faculty at Harvard Medical School and the Harvard School of Public Health. He became a prominent figure in the study of protozoan parasites and their role in disease.

Research on Parasitic Infections

Tyzzer is best known for his discovery of the protozoan parasite Cryptosporidium parvum in 1907. His work on Cryptosporidium laid the foundation for understanding its role in gastrointestinal diseases in both humans and animals. Tyzzer's research extended to other protozoan parasites, including Eimeria species, which cause coccidiosis in poultry.

Cancer Research

In addition to his work on parasitic infections, Tyzzer made significant contributions to cancer research. He studied the genetics of tumor formation and the role of the immune system in combating cancer. His research provided valuable insights into the mechanisms of tumor immunity and the potential for immunotherapy in cancer treatment.

Legacy

Ernest Tyzzer's work had a lasting impact on the fields of parasitology and oncology. His discoveries continue to influence research and treatment strategies for parasitic infections and cancer. Tyzzer was a member of several prestigious organizations, including the American Academy of Arts and Sciences and the National Academy of Sciences.

Personal Life

Tyzzer married Alice Maud Tyler in 1903, and they had three children. He passed away on March 7, 1965, in Cambridge, Massachusetts.

See Also

• Cryptosporidium
• Coccidiosis
• Tumor immunity
• Immunotherapy