[8] He was drafted the following year, and after returning home from WWII in 1946, Amos began his graduate studies at Harvard University.

Amos was drafted into the US Army in 1942, serving in the Quartermaster's Corps in World War II as a warrant officer.

[9]There, he traveled along the coast of France where he eventually started speaking very fluently in the language while becoming an expert on the foods and wines.

He directed the Minority Medical Faculty Development Program (MMFDP) of the Robert Wood Johnson Foundation after his retirement from Harvard.

Harold Amos research was mostly recognized on the work about his bacterial metabolism, nutrition, animal cell culture, virology, and the effects of hormones.

[6] As part of the department of chair for Bacteriology and Immunology one his famous studies was research over the animal cells that was focused on the RNA metabolism that broke down the enzyme inductions and their functions that were later published in his book called Harvard Gazette[18] that focused on the glucose starvation, hexose metabolism and transport.

Since its inception, the Foundation has supported efforts to improve the number and quality of minority health care professionals.

"[19] The ideas of this program believed that his role to the University of Harvard was to help push the narrative of many minority students that weren't able to gain support to pursue a medical career as a physician.

[20] In regards of program the most known alumni was man named Dr. James Gavin III quoted "It has been an immeasurable honor to play a part in realizing the Harold Amos program’s goal of building and developing a cadre of brilliant young physicians and dentists who go on to make significant contributions to the field of academic medicine.