I just got an email from a freelance journalist, Annette McDermott, who is searching for experts to quote. She said it would be OK if I posted her query to H-SHGAPE. Please contact her directly if you'd like to help out. Here is her request:
"I'm writing two brief articles for A&E Networks for publication on History.com. One article is about how Ida Tarbell's investigative journalism took down Rockefeller and Standard Oil. The other is about how muckrackers ended the Gilded Age.