He competed at the 1948 Summer Olympics in London, where he received a gold medal in the star class with the boat Hilarius, together with his father, Paul Smart.

It made me feel proud and responsible to think that my dad and I were the only Americans in our specialty since each country was allowed just a single two-man boat.

After he competed at the Olympics, Smart continued sailing in star class for almost fifty years, qualifying twice for the world championships.

[2] In May 1992, Smart said the following to the Boston Globe about his victory: We had to compete in seven races in 10 days, and the pressure was intense.

It was kind of like playing a golf tournament knowing you can win by getting par instead of shooting for birdies.

[1] He began living in Weston, Massachusetts, and taught Sunday school and acted in his church's drama group.

[1] Smart married Nancy Childs, and had four children: Sally, Linda, Christine, and Hilary Samuel.