Which French scientist developed a method that used heat to kill harmful microbes that cause milk and other food products to spoil?

a. Aristide Boucicaut

b. Louis Pasteur

c. Sigmund Freud

d. Samuel Gompers

It was "b. Louis Pasteur" who developed a method that used heat to kill harmful microbes that cause milk and other food products to spoil, since this process soon became known as "Pasteurization"--named after its inventor.