Autograph Letter Signed, explaining that his “future action” will be determined by his constituents, but if he is able “to retain the seal”, then he will be grateful for his correspondent’s help at meetings. 1 page 7 x 4 inches. House of Commons, 7 May 1883. Charles Bradlaugh (1833-1891) was a political activist and one of the most famous English atheists of the 19th century. He founded the National Secular Society in 1866.