Arrowsmith by Sinclair Lewis

For a year broken only by Terry Wickett's return after the Armistice, and by the mockeries of that rowdy intelligence, Martin was in a grind of drudgery. Week on week he toiled at complicated phage experiments. His work-his hands, his technique-became more adept, and his days more steady, less fretful.

He returned to his evening studying. He went from mathematics into physical chemistry; began to understand the mass action law; became as sarcastic as Terry about what he called the "bedside manner" of Tubbs and Holabird; read much French and German; went canoeing on the Hudson on Sunday afternoons; and had a bawdy party with Leora and Terry to celebrate the day when the Institute was purified by the sale of Holabird's pride, Gladys the Centrifuge.