Between 1975 and 1981 , Rapley was a scientist on NASA 's Solar Maximum Mission .
Was then a lecturer at the Department of Space and Climate Physics of University College London from 1981 to 1987 .
Between 1975 and 1981 , Rapley was a scientist on NASA 's Solar Maximum Mission , and was then a lecturer at the Department of Space and Climate Physics of University College London from 1981 to 1987 .