Alex Seidel (4 July 1909 – 24 October 1989) was a German weapons manufacturer and the co-founder of Heckler & Koch [1] along with Theodor Koch and Edmund Heckler. [2] Together the three men built the Heckler and Koch company out of the old name of Heckler & Co. [1] on 28 December 1949. [1]