 He worked from 1908 to 1913 as a schoolteacher in his home town; he also trained as an art teacher at Königliche Kunstschule in Berlin, Germany, from 1913 to 1915.From 1916 to 1919 he began his work as a printmaker at the Kunstgewerbschule in Essen, where he learnt stained-glass making with Dutch artist Johan Thorn Prikker.In 1918 he received his first public commission, "Rosa mystica ora pro nobis", a stained-glass window for a church in Essen.