Harold F. Blum

Harold Francis Blum (1899 - 1980) was a physiologist who explored the interaction of light and chemicals on cells, especially sunlight-induced skin cancer. He is also well known for his 1951 book Time's Arrow and Evolution on evolutionary biology and thermodynamics.

Harold F. Blum

Harold Francis Blum (1899 - 1980) was a physiologist who explored the interaction of light and chemicals on cells, especially sunlight-induced skin cancer. He is also well known for his 1951 book Time's Arrow and Evolution on evolutionary biology and thermodynamics.