Step 1: Understanding the Concept:
This question is about the main character from "The Making of a Scientist," Richard Ebright. It asks to identify one of his key activities or hobbies mentioned in the text.
Step 2: Detailed Explanation:
The chapter highlights that Richard Ebright had a driving curiosity from a very young age. This curiosity manifested in his hobby of collecting things. The text says he collected butterflies, rocks, fossils, and coins. This hobby of collecting, particularly butterflies, was what set him on his path to becoming a great scientist. The other activities listed are not mentioned as his prominent hobbies in the story.
Step 3: Final Answer:
A key activity that Richard Ebright was known for was to collect things.