Conversation so far:
Where is Dr. Seuss from?
Theodor Seuss Geisel was born and raised in Springfield, Massachusetts.
How did Dr. Seuss start?
What did Dr. Seuss do at Dartmouth College?
At Dartmouth, Theodor Seuss Geisel joined the Sigma Phi Epsilon fraternity and the humor magazine Dartmouth Jack-O-Lantern, eventually rising to the rank of editor-in-chief.
What did Dr. Seuss study at Dartmouth College?
How did Dr. Seuss start writing?
Theodor Seuss Geisel was encouraged in his writing by professor of rhetoric W. Benfield Pressey, whom he described as his big inspiration for writing at Dartmouth.

Question: Did anything particularly important happen during his early years?
Self-contained rewrite: Did anything particularly important happen during Dr. Seuss' early years at Dartmouth College?