Explanation:

- "Survival of the fittest" was coined by Herbert Spencer, a philosopher and social theorist, after reading Charles Darwin's "On the Origin of Species."

- Marie Curie was a pioneering physicist and chemist, known for her work on radioactivity, not for Darwinian concepts.

- Charles Babbage was a mathematician and engineer, known for conceptualizing the first mechanical computer, not for natural selection theories.

- Louis Pasteur was a renowned microbiologist and chemist, famous for pasteurization and vaccine development, unrelated to the phrase "survival of the fittest."