Birger Ljungström

Birger Ljungström was a Swedish engineer, technical designer, industrialist and inventor, born on 4 June 1872 and died on 17 November 1948. He was employed by AB Separator in 1906 and 1907, and together with his brother Fredrik Ljungström he patented the Ljungström turbine around 1908. The same year the brothers founded the development company AB Ljungströms Ångturbin, and in 1913 the separate company Svenska Turbinfabriks AB Ljungström, known as STAL, was formed to produce Ljungström turbines. He received an honorary doctorate from the Dresden University of Technology in 1928.