Sig Grava

Sigurd "Sig" Grava (September 25, 1934 – 2009) was an American scholar, professor emeritus, member of the faculty of Graduate School of Architecture, Planning and Preservation, Columbia University, from 1960, as a professor of Urban Planning. He attended City College, New York, graduating in 1955, and then did his master's degree and Ph.D. (1965) at the Graduate School of Architecture, Planning and Preservation of Columbia University, to 1974, and as Director of the Urban Planning Program in 1990–1993.

He published Urban Planning Aspects of Water Pollution Control (Columbia University Press; 1969) and Urban Transportation Systems. Choices for Communities (McGraw-Hill; 2003).