Joshua Sieger (5 January 1907 – 1 March 1993[1]) was an English scientist and engineer.
Joshua Sieger, the founder of the gas detection brand J&S Sieger (now known as Honeywell Analytics) played a pivotal role in the development of gas detection technology and made significant contributions to various communication technologies. His influence extended across multiple industries, contributing to technological progress in areas such as television, radar, and gas detection.[2]
http://www.purbeckradar.org.uk/people/list-by-group.htm
http://www.proz.com/kudoz/german_to_english/engineering:_industrial/2194856-siegerkopf.html