In which year did Johann Georg Halske leave Siemens & Halske?
1867
1875
1880
1890
Answer
Johann Georg Halske, one of the co-founders of Siemens & Halske, left the company in 1867. Werner von Siemens continued to lead the company until his retirement in 1890.
Electrifying Legacy: The Siemens & Halske Trivia Challenge