Born in 1872, Baldus spoke German and was educated at St. Xavier College in Cincinnati. He worked as a reporter for a Cincinnati newspaper and wrote book reviews for the Catholic Telegraph. He organized a stock company to publish a Catholic home journal entitled Men and Women, 1902-1905. Baldus was friends with Rev. Francis Clement Kelly, who started the Catholic Church Extension Society in 1905. Baldus became managing editor of Extension magazine in 1907 and wrote the editorials from 1928 on. In 1923 he wrote and published a book, The New Capitalism. He died in 1957.
From the description of The Simon A. Baldus papers. 1907-1948. (Catholic University of America). WorldCat record id: 105088152