Question

This physicist and chemist conducted pioneering research on radioactivity
a. Albert Einstein
b. James Maxwell
c. Marie Curie​

Answer 1

Marie and Pierre Curie

In 1903, Marie and Pierre Curie

Answer 2

Marie Curie, a physicist and chemist who conducted pioneering research on radioactive decay, was the first woman to receive a Nobel Prize in Physics and became the first person to receive a second Nobel Prize in Chemistry.