Sidney O. “Sid” Dewberry, co-founder of Fairfax, Va.-based engineer Dewberry, advocate for higher education and renowned for his business leadership and civic engagement, died July 16 in Arlington, Va. at age 94.
Dewberry and engineer Jim Nealon founded the firm that now bears his family name in 1956, says the company. The two were joined by Richard Davis in 1958, and the firm grew over the next few years to establish its headquarters in Fairfax in 1965.