Agassiz refers to Louis Agassiz, a Swiss-American naturalist and geologist known for his contributions to the study of glaciers and ice ages. He was a prominent figure in the mid-19th century and played a key role in establishing the field of glaciology. Agassiz's research helped to advance the understanding of Earth's climate history. In addition to his work on glaciers, Agassiz was also a significant figure in the study of ichthyology, the branch of zoology that deals with fish. He conducted extensive research on fish species and their classification, contributing to the scientific community's knowledge of aquatic life.