I see, via Ann Coulter on Twitter, that Joe Sobran has passed away. I didn't always agree with his positions—he may for all I know, be the writer John Derbyshire refers to here—but he did a lot of important work, and introduced me to some useful ideas.
"But most prejudices aren’t created by official doctrines; they result from popular experience and the slow spreading of a group’s reputation. The first gypsy I ever met — on a street in Rome — grabbed a wad of money out of my hand. I’d been too naive to be wary of her, though my companions had warned me against her."
He ran a newsletter and then a website, and more or less retired in 2007. His last column was titled "Adieu."