William Orville Douglas (October 16, 1898 – January 19, 1980) was an American jurist who served as an associate justice of the Supreme Court of the United States from 1939 to 1975. Douglas was known for his strong progressive and civil libertarian views and is often cited as the most liberal justice in the U.S. Supreme Court’s history. Nominated by President Franklin D. Roosevelt in 1939, Douglas was confirmed at the age of 40, becoming one of the youngest justices appointed to the court. He is the longest-serving U.S. Supreme Court justice in history, having served for 36 years and 209 days.

William Orville Douglas
Supreme Court of the United States
Born 1898 in Maine, MN
Died 1980 in Bethesda, MD
FJC ID: 640
Career output and lasting influence
Opinions attributed per year · peak 16/year
Later decisions citing those opinions, per year · peak 10,106/year
Supreme Court of the United States · 1939–1980
Both charts share the same year axis. Opinion counts include only opinions in our corpus attributed to this judge so far — a year at zero can mean an attribution gap, not judicial silence. Influence typically outlasts the career: citations keep climbing after the last opinion.
- Gender
- Male
- Race
- White
Prior employment
U.S. Securities and Exchange CommissionCommissioner · 1936–1939- ↳chairman · 1937–1939
- Yale Law SchoolSterling professor of law · 1928–1936
Protective Study Committee, U.S. Securities and Exchange CommissionDirector · 1934–1936
Assistant professor of law · 1926–1928- Private practice, New York City1925–1926
Appointments
1939–1980 · Appointed by Franklin D. Roosevelt (Democratic)Term ended: Death
Education
LL.B. · 1925- Whitman CollegeA.B. · 1920