Alexander Fleming was a Scottish microbiologist, pharmacologist, and pathologist who discovered the antibiotic substance penicillin in 1928.

Immunology is the branch of biomedical science that focuses on the study of the immune system, including its structure, function, and ability to defend the body against foreign substances and diseases.

James Patrick Allison (born August 7, 1948) is an American immunologist and Nobel laureate who holds the position of professor and chair of immunology and executive director of immunotherapy platform at the MD Anderson Cancer Center at the University of Texas.

Jean-Baptiste-Gabriel-Joachim Dausset (19 October 1916 - 6 June 2009) was a French immunologist born in Toulouse, France.

John Franklin Enders (February 10, 1897 - September 8, 1985) was an American biomedical scientist and Nobel Laureate.

Karl Landsteiner was an Austrian biologist and physician who made significant contributions to the field of immunology, particularly in the area of blood types.

Ralph M.

Tasuku Honjo is a Japanese immunologist and Nobel laureate known for his groundbreaking research on the immune system and cancer therapies.