Ferdinand Vandeveer Hayden

1829–1887 (age 58)

Geologist

Biography

Ferdinand Vandeveer Hayden devoted his career to the study of geology, leading surveys that expanded the nation's understanding of its western landscapes and natural wonders. His careful documentation and advocacy for conservation helped lay the groundwork for appreciating America’s geologic heritage.

His work continues to inspire explorers and scientists, honoring his belief in the importance of discovery paired with stewardship.