Keywords: Sir William Siemens by Rudolph Lehmann.jpg Sir William Siemens by Rudolph Lehmann died 1905 Carl Wilhelm Siemens en Charles William Siemens known as Sir William Siemens 4 April 1823 “ 19 November 1883 was a German born engineer who for most of his life worked in Britain and later became a British subject See source website for additional information This set of images was gathered by User Dcoetzee from the National Portrait Gallery London website using a special tool All images in this batch have been confirmed as author died before 1939 according to the official death date listed by the NPG 2632 date but author died in 1905 Rudolph Lehmann died 1905 PD-old-100 National Portrait Gallery London Siemens William Carl Wilhelm Siemens |