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Agnes W. Spring

Agnes Wright Spring (1894­–1988) was the first Wyoming state historian (1918–19) and the first female Colorado state historian (1950­–51 and 1954–63), making her the only person to serve as state historian of more than one state. She contributed to…

Arthur Lakes

Arthur Lakes (1844–1917) was an English naturalist who discovered dinosaur bones near Morrison in 1877, setting off the “dinosaur bone rush” in Colorado and the American West. Additionally, his research on mineral deposits and extraction methods proved…

Beatrice Willard

Dr. Beatrice Willard (1925–2003) was an internationally recognized tundra ecologist who made significant contributions to environmental policy in Colorado and the nation. Her research in the Colorado mountains established her as a well-known ecologist,…

Dr. Florence Rena Sabin

One of the preeminent medical and scientific minds of the early twentieth century, Dr. Florence Rena Sabin (1871–1953) was a public servant devoted to improving public health. As the first woman to receive a full professorship at Johns Hopkins University…

Edwin Carter

Edwin Carter (1830–1900) was a prospector turned naturalist whose Colorado wildlife collection became the founding exhibit of the Denver Museum of Nature and Science (DMNS). Originally from New York, Carter prospected in the Rocky Mountains during the…

Ellison Onizuka

Ellison Onizuka (1946–86) was an astronaut for the US Space Shuttle program who earned degrees at the University of Colorado in Boulder before perishing in the 1986 Challenger shuttle disaster. Onizuka was Colorado’s highest-profile astronaut and is…

Enos Mills

As a boy and as a man, Enos Mills (1870–1922) lived a remarkable life. His bond with nature and wildlife inspired him to overcome personal hardship and become a successful speaker, author, naturalist, businessman, and driving force behind the creation of…

Estella Bergere Leopold

Dr. Estella Leopold is a world-renowned paleobotanist who helped spearhead the 1969 fight to save Florissant Fossil Beds in Florissant, Colorado. She was the recipient of several awards during her career, including Conservationist of the Year (1969) from…

Gustaf Nordenskiöld and the Mesa Verde Region

In 1891 the young Swedish scientist Gustaf Nordenskiöld (1868–95) arrived in Colorado, seeking both a cure for his tuberculosis and a look at the wonders of the West. His experiences over the next two years set in motion a series of events that would…

Hannah Marie Wormington

As a pioneering woman in a field dominated by men, Hannah Marie Wormington (1914–94) carved a scholarly niche for herself on the frontiers of American archaeology. She was a larger-than-life figure whose impact went far beyond the dozens of publications…

Harry Buckwalter

Photojournalist, radio reporter, and film producer Harry Buckwalter (1867–1930) is considered Colorado’s first photojournalist. He was also one of the great technological innovators of the nineteenth- and early twentieth-century American West, known for…

Helen Hunt Jackson

Helen Hunt Jackson (1830–85) was an accomplished poet, author, and activist in the nineteenth century. Many of Jackson’s written works, notably A Century of Dishonor (1881) and Ramona (1884), spurred progress toward recompense for the mistreatment of the…

J. Quigg Newton

James Quigg Newton, Jr. (1911–2003) was a distinguished lawyer, politician, and philanthropist who served as mayor of Denver (1947–55), president of the University of Colorado (CU; 1956–63), and the head of several national charitable foundations. As…

Jesse Nusbaum

Jesse Nusbaum (1887–1975) was an early National Park Service (NPS) employee, historian, archaeologist, restoration specialist, and author active in Colorado and New Mexico in the early 1900s. As superintendent of Mesa Verde National Park, he imbued the…

John W. Gunnison

John Williams Gunnison (1812–53) was a nineteenth-century US Army officer and explorer. In 1853 he was charged with finding a railroad route across the Rocky Mountains, and while carrying out his mission he explored the Western Slope of Colorado. His…

Radiocarbon Dating

Radiocarbon dating is the most common technique used in ascertaining the age of archaeological and paleontological sites during the last 45,000 years. Developed by a chemist born in Colorado, there are now commercial and academic laboratories across the…

Ruth Underhill

Ruth Underhill (1883–1984) was a prominent anthropologist in the mid- to-late twentieth century, and one of the first female anthropologists to reach the stature regularly enjoyed by male colleagues. As a professor at the University of Denver later in…

Temple Grandin

Temple Grandin (1947–) is a renowned advocate and expert in two very different fields: animal welfare and autism. A prolific author on both subjects, Grandin has taught at Colorado State University (CSU) since 1990. Her focus on animal welfare,…

Willard Frank Libby

Willard Frank “Bill” Libby (1908–80) was a native Coloradan who won the Nobel Prize for inventing the radiocarbon dating method. Radiocarbon dating is one of the most commonly used dating techniques by archaeologists and other scientists across the world…