Lillie, a longtime Boston resident who now lives at the Linden Ponds retirement community in Hingham with his wife, Barbara, has been sculpting for more than 60 years. His work appears in collections around the world, including North Yemen and Saudi Arabia. In the United States, Lillie's work is widely dispersed throughout the country, from Massachusetts to Virginia and Colorado. An Honors graduate of the School of the Museum of Fine Arts, he also studied at Maine's Skowhegan School of Painting and Sculpture; the Corcoran School of Art in Washington, DC; and the Academia di Belle Arti in Florence, Italy. Lillie, a professor emeritus of art at Boston University, taught drawing and sculpting there for 34 years. His most famous sculpture is probably of Thomas Jefferson, the life-size bronze sculpture is in four locations. His commissions of local celebrities such as Arnold "Red" Auerbach and Mayor James Michael Curley are among the most popular public sculptures in Boston, and the statues of John Adams and Abigail Adams with a young John Quincy Adams in Quincy.