Michael Pollan—the guru of foodies whose distinct blend of history, science and every other intellectual pursuit has been for many a revolutionary recipe for eating—will appear next month at Toby’s Feed Barn in a benefit for the Point Reyes Farmers’ Market. He will cover a range of topics with farmer David Mas Masumoto, author of the cookbook/storybook The Perfect Peach, which shares the farming history of his own Japanese American family, in a conversation…