Karl Manne Georg Siegbahn was a Swedish physicist who received the Nobel Prize in Physics in 1924 "for his discoveries and research in the field of X-ray spectroscopy." The Nobel Prize in Physics 1924, announced November 12, 1925. Manne Siegbahn, “for his discoveries and research in the field of X-ray spectroscopy”. Manne Siegbahn: born 1886, Örebro, Sweden. Wiki link Data: the Nobel Foundation (CC0).