I wonder why the pronoun is first used in this sentence.
He began with chemistry, but Thomas soon became very interested in electricity as well.

This is from a Tomas Edison's biography. I wonder why the pronoun is first used in this sentence. I think a name is first used. Is it common?

Question

I wonder why the pronoun is first used in this sentence.
He began with chemistry, but Thomas soon became very interested in electricity as well.

This is from a Tomas Edison's biography. I wonder why the pronoun is first used in this sentence. I think a name is first used. Is it common?

Answer

We do this sometimes in literature. Good writers avoid repetition in order the make the story more interesting.