Prof. Roberto Longo	Rome, Italy June 2014, April 2015, June 2015 Alexander-von-Humboldt Research Award
Prof. Stanislaw Woronowicz	Warsaw, Poland April-June 2009, May 2011 Alexander-von-Humboldt Research Award
Prof. Huzihiro Araki	Kyoto, Japan June-July and November-December 2007, January 2008, April 2008 Alexander-von-Humboldt Research Award
Prof. Ludvig Faddeev	Sankt Peterburg, Russia April 2007, April/May 2014 Alexander-von-Humboldt Research Award
Prof. Hanno Sahlmann	Universiteit Utrecht, Netherlands 2005 Award of the Academy of Sciences, Univ. Göttingen
Prof. Sergio Doplicher	Universita di Roma "La Sapienza", Italy 2005 and 2006, Feb 2009, Jan 2010 and 2011 Alexander-von-Humboldt Research Award
Prof. Ivan T. Todorov	Bulgarian Academy of Sciences, Sofia, Bulgaria 2004, 2005 and 2006 Alexander-von-Humboldt Research Award
Prof. Jacques Bros	CEA-Saclay, France 2003 and 2004 Gauß Professorship
Prof. John E. Roberts	Universita di Roma "Tor Vergata", Italy 2002, 2003, Feb 2009, Jul 2011 Alexander-von-Humboldt Research Award
Prof. Volker Schomerus	Albert-Einstein-Institute MPI-Golm, Germany 1999 Award of the Academy of Sciences, Univ. Göttingen
Prof. Izumi Ojima	RIMS, Kyoto, Japan 1998 Gauß Professorship
Prof. Stephen J. Summers	Univ. of Florida, Gainesville, USA 1994 Gauß Professorship

• 2020
• J. Mund (Mar 8-16, 2019)
• B. Schroer (Mar 8-13, 2019)
• 2019
• W. Dybalski (Jul 12, 2019)
• D. Bahns (Nov 16, 2019)(BH)
• J. Gracia-Bondia (May 12-19, 2019)
• N. Furey (Jan 21, 2019)
• 2018
• P. Duch (Nov 22, 2018)
• W. Dybalski (Nov 12, 2018)(BH)
• J. Gracia-Bondia (Nov 1-30, 2018)
• I. Ojima (July 12, 2018)
• P. Müller (Jan 9, 2018)
• 2017
• C. Fewster (Dec 11, 2017)
• F. Finster (Dec 7, 2017)
• V. Morinelli (Dec 6, 2017)
• T. van Nuland (July 12, 2017)
• T.-P. Hack (July 03, 2017) (BH)
• M. Dütsch (June 29, 2017)
• A. Wipf (June 27, 2017) (TPS)
• G. Rudolph (Jan 23 , 2017) (BH)
• 2016
• H. Bostelmann (Dec 12 , 2016) (BH)
• J. Yngvason (Dec 8, 2016) (GK 1493)
• K. Sanders (Nov 28, 2016) (BH)
• Y. Tanimoto (Nov 24, 2016) (GK 1493)
• J. Fröhlich (Nov 14, 2016) (BH)
• M. Laine (Nov 10, 2016) (GK 1493)
• L. Giorgetti (Oct 17, 2016) (BH)
• W. Dybalski (July 4, 2016) (BH)
• K. Wendland (June 30, 2016) (GK 1493)
• M. Gransee (June 16, 2016) (GK 1493)
• N. Dragon (June 6, 2016) (BH)
• G. Nosari (June 1-3, 2016) (GK 1493)
• M. Duell (May 19, 2016) (GK 1493)
• K. Fredenhagen (May 9, 2016) (BH)
• D. Cadamuro (May 2, 2016) (QFT)
• J. Walcher (April 28, 2016) (GK 1493)
• R. Catena (April 12, 2016) (Cosmo)
• G. Lechner (Feb 4, 2016) (GK 1493)
• M. Zagermann (Feb 1, 2016) (BH)
• C. Meusburger (Jan 21, 2016) (GK 1493)
• Y. Tanimoto (Jan 18-30, 2016) (QFT)
• R. Longo (Jan 18-22, 2016) (BH)
• M. Wrochna (Jan 14, 2016) (GK 1493)
• M. Fröb (Jan 13, 2016) (QFT)
• 2015
• K. Sanders (Dec 18, 2015) (GK 1493)
• H. Bostelmann (Dec 7-14, 2015) (GK 1493)
• J. Teschner (Nov 30, 2015) (BH)
• U. Pennig (Nov 26, 2015) (GK 1493)
• B. Schroer (Sep 28-Oct 2, 2015)
• J. Zahn (Jun 23) (MI)
• V. Morinelli (June 1-6, 2015)
• J. Gracia Bondias (May 7-12, 2015)
• J. Mund (May-Dec 2015) (Born-Hilbert)
• J. Yngvason (May 7-16, 2015) (Born-Hilbert)
• R. Longo (April 2015) (Born-Hilbert)
• Y. Kawahigashi (Apr 1-6, 2015) (QFT)
• U. Schreiber (Jan 29, 2015) (GK 1493)
• P. Naaijkens (Jan 26, 2015) (Born-Hilbert)
• I. Khavkine (Jan 22, 2015) (GK 1493)
• I. Runkel (Jan 8, 2015) (GK 1493)
• Y. Tanimoto (Jan- May 2015)
• 2014
• R. Verch (Dec 15, 2014) (Born-Hilbert)
• J.P. Solovej (Dec 1, 2014) (Born-Hilbert)
• A. Carey (Nov 20, 2014) (GK 1493)
• J. Derezinski (Nov 13-18, 2014) (GK 1493, Born-Hilbert)
• M. Kiessling (Nov 10-15, 2014) (QFT)
• Ch. Stephan (Oct 30, 2014) (GK 1493)
• D. Cadamuro (July 9, 2014) (QFT)
• R. Longo (June 2014) (Born-Hilbert)
• M. Radzikowski (June 2-15, 2014) (GK 1493)
• L. Faddeev (May 5, 2014) (Born-Hilbert)
• L. Faddeev (April 29, 2014) (TPS)
• J. Schlemmer (April 24, 2014) (GK 1493)
• S. Doplicher (Feb 5-12, 2014) (MI)
• Y. Tanimoto (Jan-Dec 2014)
• 2013
• V. Bach (Dec 16, 2013) (BH)
• Y. Kawahigashi (Nov-Dec 2013) (GK 1493)
• R. Wulkenhaar (Nov 27-29, 2013) (MI)
• H. Grosse (Nov 27-29, 2013) (MI)
• E. Stormer (Nov 4, 2013) (BH)
• R. Suzuki (Oct 29, 2013) (TPS)
• D. Cadamuro (June 25, 2013)
• J. Tener (June 24, 2013)
• S. Hollands (June 20, 2013) (GK 1493)
• Ch. Fleischhack (May 30, 2013) (GK 1493)
• D. Paulino (May 16, 2013) (GK 1493)
• I. Khavkine (April 11, 2013) (GK 1493)
• K.-H. Neeb (Jan 31, 2013) (MI)
• N. Pinamonti (Jan 10, 2013) (GK 1493)
• Y. Tanimoto (Jan-Dec 2013)
• 2012
• J. Bros (December 13-20, 2012)
• H. Grundling (December 10-21, 2012)
• P. Martinetti (November 20-22, 2012) (GK 1493)
• J. Mund (July 12, 2012) (GK 1493)
• Sh. Tanimura (May 20-25, 2012) (GK 1493)
• J. Fröhlich (May 14, 2012) (Born-Hilbert)
• N. Franco (Feb 2, 2012) (GK 1493)
• Y. Tanimoto (Jan-Dec 2012)
• 2011
• J. Bros (December 13-20, 2011)
• M. Bordemann (December 5, 2011) (Born-Hilbert)
• I. Todorov (November 16-30, 2011)
• N. Nikolov (Nov. 15- Dec. 3, 2011)
• C. Lämmerzahl (November 8, 2011)
• Y. Tanimoto (Nov-Dec 2011)
• D. Kreimer (July 11, 2011) (Born-Hilbert)
• G. Jona-Lasinio (July 5, 2011)
• V. Bach (July 4, 2011) (Kolloquium)
• J.M. Perez Pardo (July 2011)
• J. Roberts (July 2011) (GK 1493)
• L. Kong (May 23, 2011) (Born-Hilbert)
• S. Woronowicz (May 17, 2011) (Born-Hilbert)
• M. Schlichenmaier (April 18, 2011) (Born-Hilbert)
• R.F. Werner (April 18, 2011) (Kolloquium)
• F. Patras (April 14, 2011) (Math)
• 2010
• Ch. Jäkel (December 20, 2010) (BH)
• J. Bros (December 16-20, 2010) (QFT)
• H. Grundling (December 3-10, 2010)
• Y. Tanimoto (August 2010)
• H. Grundling (July 24-August 7, 2010)
• L. Tomassini (Jul-Sep 2010)
• J. Garcia-Bondia (March 8-12, 2010)
• S. Weinzierl (February 2, 2010) (Born-Hilbert)
• N. Beisert (January 18, 2010) (Born-Hilbert)
• S. Doplicher (January 15-30, 2010)
• M. Kiessling (January 11-15, 2010)
• A. Kempf (January 7, 2010)
• 2009
• J. Bros (December 15-20, 2009)
• A. Wipf (December 8, 2009)
• W. Dybalski (November 16, 2009)
• G. Landi (November 9-11, 2009) (Math)
• L. Smolin (October 26, 2009) (Math)
• M. Izumi (August 9-13, 2009) (Math)
• H. Grundling (July-August, 2009)
• J.M. Grimstrup (July 13, 2009) (Born-Hilbert)
• N. Pinamonti (June 30, 2009)
• Ch. Fleischhack (June 15, 2009) (Born-Hilbert)
• N. Ay (May 18, 2009) (Born-Hilbert)
• F. Scheck (May 13, 2009)
• Th. Thiemann (April 29, 2009)
• J.E. Roberts (February 16-24, 2009)
• S. Doplicher (February 10-24, 2009)
• V. Petkova (January - April 2009)
• 2008
• J. Bros (Dec 15-21, 2008)
• R. Honegger (December 3, 2008)
• R. Werner (December 1, 2008)
• Ch. Fleischhack (October 29, 2008)
• U. Schreiber (October 20, 2008) (Born-Hilbert)
• M. Dütsch (October - December 2008) (Born-Hilbert)
• M. Klasen (August, 2008)
• V. Enss (July 3, 2008) (Born-Hilbert)
• A. Herdegen (June 12, 2008) (Born-Hilbert)
• B. Schroer (June 11, 2008)
• R. Wulkenhaar (May 15, 2008) (Born-Hilbert)
• Ch. Solveen (Apr 21, 2008)
• M. Westrich (Mar 13, 2008)
• B. Eden (Jan 31, 2008)
• A. Jaffe (Jan 14, 2008)
• 2007
• J. Bros (Dec 20, 2007)
• S.J. Summers (August 2007)
• I. Ojima (July 18-29, 2007)
• H. Nicolai (July 17, 2007)
• H. Grundling (July 2007)
• S. Yazadjiev (April 2007 - July 2008)
• C. D'Antoni (Feb 12-17, 2007)
• G. Morsella (Feb 12-17, 2007)
• J. Barata (January 24, 2007)
• 2006
• H. Friedrich (December 7, 2006)
• I. Runkel (November 23, 2006)
• Th. Hack (November 1, 2006)
• H. Gottschalk (November 1, 2006)
• Th. Feldmann (October 25, 2006)
• H. Knuth (September 27, 2006)
• S. Doplicher (September 2006)
• C.J. Fewster (July 20-22, 2006)
• B. Schroer (July 3-4, 2006)
• D. Bahns (June 22, 2006)
• K. Fredenhagen (May 16, 2006)
• A. Rendall (April 27, 2006)
• M. Weiner (February - April, 2006)
• G. Leiler (January 25, 2006)
• 2005
• R. Loll (December 13, 2005)
• B. Bakalov (December 2005 - January 2006)
• A. Ishibashi (November 24, 2005)
• H. Sahlmann (November 17, 2005)
• E. Seiler (November 9, 2005)
• N. Nikolov (November 2005 - July 2006)
• M. Klasen (August 2005)
• I. Ojima (July - August 2005)
• M. Staudacher (July 14, 2005)
• G. Morsella (July 2005)
• J. Teschner (June 23, 2005)
• E. Lieb (June 21, 2005)
• S. Doplicher (June - July 2005)
• S.J. Summers (June - July 2005)
• J.R. Klauder (May 19, 2005)
• H. Moriya (May 2005)
• H. Spohn (May 3, 2005)
• A. Jaffe (April 21, 2005)
• N. Nikolov (February - July 2005)
• R. Sen (January 12-23, 2005)
• H. Grundling (January 2005)
• 2004
• J. Bros (December 2004)
• Y. Kawahigashi (December 2004)
• K. Ebrahimi-Fard (November 25, 2004)
• P. Weisz (November 11, 2004)
• R. Longo (November 3-5, 2004)
• T. Matsui (September 2004)
• P. Ullrich (October 27, 2004)
• M. Klasen (August 17, 2004)
• M. Reuter (June 24, 2004)
• H. Siedentop (June 10, 2004)
• J. Bros (June 2004)
• S. Summers (May 2004)
• W. Dybalski (May 12, 2004)
• K. Sibold (February 5, 2004)
• D. Bahns (January 22, 2004)
• J. Fuchs (January 15, 2004)
• 2003
• R. Brunetti (November 18, 2003)
• M. Niedermaier (November 13, 2003)
• Ch. Brouder (November 12, 2003)
• B. Schroer (October 27, 2003)
• G.A. Viano (June 25, 2003)
• M. Mück (June 19, 2003)
• G. Scharf (June 5, 2003)
• G. Morsella (May 21, 2003)
• J. Madore (May 15, 2003)
• J. Bros (May 14, 2003)
• M. Forger (April 22+23, 2003)
• H. Römer (January 7, 2003)
• 2002
• C. Kiefer (December 17, 2002)
• J. Bros (December, 2002)
• J. Kupsch (October 31, 2002)
• B. Schroer (October 18, 2002)
• H. Araki (October 2002)