The Faculty of the University recommended him for a chair of theoretical physics but the Department of Educational Affairs decided to delay confirming the post. Of course in 1914 times were uncertain and Bohr realised that no quick decision was likely.
Siya ay nanatili doon hanggang sa World War ko kapag Filon ay tinatawag na aktibo sa serbisyo at Jeffrey ay naging pinuno ng Applied Mathematics Department. Subalit bilang isang Kweiker siya ay naging isang matapat objector.