1922: The Department of Zoology is established.
1922: Courtland Mudge joins the faculty as the campus’ first bacteriologist.
1923: Tracy Storer teaches the first zoology courses, required for animal husbandry majors. Between 21-47 students take his class each year from 1923-1928.
1924: The Department of Botany is established, with courses mandatory for plant science majors.
1928: The school’s only zoologist, Tracy Storer, opens a museum with animal specimens and publishes influential papers on rodent control to prevent bubonic plague outbreaks.