Urban historian focuses on a social and architectural history of American suburban planning and design. (Book: Bourgeois Utopias)

Founder of one of the nation's leading architectural, planning and engineering firms, Gruen designed the first regional shopping center, the Northland Shopping Center in Detroit in 1954 and later wrote extensively on urban planning and urban sprawl.

Senior Fellow at the Brookings Institution in Washington D.C. He was for 18 years a member and then Chairman of Real Estate Research Corporation, a nationwide consulting firm advising private and public decision-makers on real estate investment, housing policies, and urban affairs.

Author and founder of Doxiadis Associates, a private firm of consulting engineers, with a small group of architects and planners. (Books: Ekistics - An Introduction to the Science of Human Settlements).

Papers and reports focused on urban spatial development.

New York state and municipal official whose ambitious public works projects of the 1930s, 1940s and 1950s transformed the urban landscape of New York City.

Influential author proposes using the physical restructuring of housing projects and residential communities to reduce crime and improve stability. (Books: Defensible Space)

Places the work of design professionals in their cultural context: how they address contemporary crises and social phenomena, and how they sometimes perpetuate them. (Books: Architecture of Fear; Postmodern Urbanism)

Kunstler believes a lot of people share his feelings about the tragic landscape of highway strips, parking lots, housing tracts, mega-malls, junked cities, and ravaged countryside that makes up the everyday environment where most Americans live and work. (Books: The Geography of Nowhere, Home from Nowhere).

Architect and town planner who cofounded Duany Plater-Zyberk & Company in 1980. (Books: Suburban Nation).