Judge Williams practiced law in New York City (at the firm of Debevoise Plimpton and as an Assistant U.S. Attorney) and then taught law at the University of Colorado Law School from 1969 to 1986, with visiting years at UCLA, SMU, and the University of Chicago (where he was also a fellow in law and economics). He was appointed to the U.S. Court of Appeals for the D.C. Circuit in 1986. His most recent book is a biography of Vasily Maklakov, The Reformer: How One Liberal Fought to Preempt the Russian Revolution (Encounter Books, 2017).
