German Albert Levan Cited by user Polarlys on 24 Feb 2012 Johan Albert Levan (* 8. März 1905 in Göteborg; † 28. März 1998 in Lund) war ein schwedischer Botaniker und Genetiker.
English 1955 in science Cited by user Camboxer on 18 Aug 2011 The year 1955 in science and technology included many events, some of which are listed below.