Paul Martin Lester is professor of communications at California State University-Fullerton. See a 1993 essay he published in Visual Anthropology about why Columbus should not be honored.

The Indigenous Peoples Day Committee is based in Berkeley, Calif. Contact committee coordinator Rochelle Hays.

Daniel Sumner directs the University of California Agricultural Issues Center in Davis, Calif.

Mechel “Mickey” Paggi directs the Center for Agricultural Business at California State University, Fresno.

Michael Pollan is Knight Professor of Journalism at University of California, Berkeley, where he directs the Knight Program in Science and Environmental Journalism. His books include The Omnivore’s Dilemma: A Natural History of Four Meals. Read an Oct. 9, 2008, column on farm policy that he wrote for The New York Times.

Jennifer Maiser edits the group blog EatLocalChallenge.com.

Dan Imhoff is an author, publisher and farmer in California whose writings on farm and environmental issues include the book Food Fight: A Citizen’s Guide to the Farm Bill, updated to reflect issues in this year’s bill. He is co-founder, director, and publisher of Watershed Media. Read an essay he wrote about the 2012 bill for the Oct. 3, […]

The Sustainable Agriculture Research and Education Program at the University of California-Davis provides research and education about agriculture and food systems. It posts a page explaining what sustainable agriculture is and what issues are involved.

Rabbi Patricia Karlin-Neumann is senior associate dean of religious life at Stanford University in Stanford, Calif.