 The other interesting thing about his family is his close relationship with his older brother, Elisha. They're very close in age, and they have this very tight bond between the brothers. And they're incredibly ambitious. And in the 1840s, they're both in their 20s. They're trying to make their way in life, trying to figure out what they will do. Elisha goes to medical school, then joins the Navy as a scientific officer and other things.