Complex sentence: In 1981, he helped found and became the first director of the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, and the same year, he also became director of the Institute for Polar Ecology at the University of Kiel.
Split into simpler sentences: In 1981, he helped found the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven whereupon he became the institutions first director. In the same year, he also became director of the Institute for Polar Ecology at the University of Kiel.