In 1903, he became associate editor of The World's Work, and in 1907, he became a member of and financial editor of The Saturday Evening Post.
Isaac Newton | Isaac Asimov | Frederick the Great | Isaac Stern | Frederick | Frederick II | Frederick II, Holy Roman Emperor | Isaac Hayes | Frederick Russell Burnham | Frederick Roberts, 1st Earl Roberts | Frederick Law Olmsted | Frederick I, Holy Roman Emperor | Frederick Forsyth | Frederick Douglass | Frederick, Maryland | Isaac | Prince Frederick, Duke of York and Albany | Isaac Bashevis Singer | Frederick III | Frederick I | Frederick Delius | Frederick William III of Prussia | John Frederick II, Duke of Saxony | Frederick III, German Emperor | Frederick William IV of Prussia | Frederick Schomberg, 1st Duke of Schomberg | Frederick I, Margrave of Brandenburg-Ansbach | Frederick III, Holy Roman Emperor | Frederick, Prince of Wales | Frederick Funston |