%0 Journal article %A Schlegel, K. %A Lühr, H. %T Willy Stoffregen – An early pioneer of advanced ionospheric and auroral research %R 10.5194/hgss-5-149-2014 %R 10.23689/fidgeo-2404 %J History of Geo- and Space Sciences %V 5 %N 2 %X We sketch the eventful life of Willy Stoffregen and summarise his engineering and scientific achievements. %U http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/6717 %~ FID GEO-LEO e-docs