text: Schwarz was an editor of the International Journal of Mass Spectrometry from 1983 to 2010 and between 1990 and 1994 he was editor of Chemischen Berichte. He was part of the editorial board of Mass Spectrometry Reviews from 1990 to 2003, of Helvetica Chimica Acta  (1990 to 2002), and of the Journal of the American Chemical Society (2007 to 2015). 
  He is a member of the following societies
  * National Academy of Sciences (since 2018)
  * American Academy of Arts and Sciences (since 2012)
  * Estonian Academy of Sciences (since 2002)
  * Academia Europaea (since 1997)
  * Göttingen Academy of Sciences and Humanities (since 1997)
  * Berlin-Brandenburg Academy of Sciences and Humanities (since 1992)
  * German National Academy of Sciences Leopoldina (since 1992)
  *  (since 1991)
  He has received numerous awards and honors, among them
  * Order of the Rising Sun, Gold and Silver Star (2018)
  * ENI award (2015)
  * Schrödinger Medal from the World Association of Theoretical and Computational Chemists (WATOC, 2015)
  * Lichtenberg Medal (2012)
  * Order of Merit of the Federal Republic of Germany (2012)
  * Erwin Schrödinger Medal (2008)
  * Otto Hahn Prize (2003)
  * Prelog Medal, ETH Zürich (2000)
  * Liebig Medal (1998)
  * Max-Planck-Forschungspreis (1991, with Chava Lifshitz)
  * Gottfried Wilhelm Leibniz Prize (1990)
  * Otto Bayer Award (1989)
  * Otto-Klung-Weberbank-Preis (1980)