Wilhelm Seggewiss
About author
Wilhelm Seggewiss studied mathematics, physic and astronomy at the universities of München and Münster(Germany) where he got his PhD in astronomy. After postdoctoral assistantship at Münster he joined the staff of the observatory of the university of Bonn. After 1979 he became professor at Bonn and chairman of the observatory. Main fields of research are evolution of star clusters and the atmospheres of massive stars.