Marcello Pirani

In 1904, he joined the light bulb factory (Glühlampenwerk) of Siemens & Halske AG in Berlin, where he remained for the next fifteen years.

One year later, he co-founded the Deutsche Gesellschaft für Metallkunde (German society for metal science) in Berlin.

As head of the scientific-technical bureau, he was in charge of coordinating and pushing scientific work in the field of light bulbs of the three founding companies Siemens & Halske, AEG and the Auergesellschaft.

In this time fall his pioneering contributions to the advancement of lighting technology, in particular in the field of gas-discharge lamps: In 1922, he was named außerordentlicher Professor at the TU Berlin.

From 1941 to 1947, he served as scientific consultant for the British Coal Utilization Research Association in London, working on new high temperature resistant materials involving carbon.