| CHEST, Los Angeles, CA | 2016 | | Distinguished Scientist Honor Lecture in Cardiopulmonary Physiology and Distinguished Service Award |
| Japanese Society of Allergology (JSA), Tokyo, Japan | 2016 | | Honorary Lecture, 65th Annual Meeting of Japanese Society of Allergology (JSA) |
| University of California San Francisco School of Medicine | 2015 | | The Nadel Honorary Pulmonary Symposium |
| European Respiratory Society | 2014 | | Honorary Fellow |
| Karolinska Institute, Stockholm | 2013 | | Honorary Lecture in Lung Research |
| National Heart and Lung Institute, Imperial College, London, UK | 2012 | | Invited Lecture, 7th International Symposium on Cough |
| Catania, Italy | 2012 | | Invited Lecture, XIII National Conference of the Italian Union of Pneumology |
| National Heart and Lung Institute, Imperial College, London, UK | 2012 | | John Widdicombe Memorial Lecture, 7th International Symposium on Cough |
| Tokyo | 2011 | | Honorary Lecturer, Japanese Respiratory Society |
| Hawaii | 2011 | | Special Lecturer, Chest Meeting, Airways Network |
| Lucerne | 2010 | | Honorary Lecturer, Transatlantic Airway Conference 25th Anniversary |
| University of Paris | 2008 | | René Descartes Medal |
| Case Western Reserve University School of Medicine, Cleveland | 2005 | | Honorary Jerome I. Kleinerman Annual Lecture |
| University of Ferrara, Italy | 2002 | | Honorary Member Associazione Nicolo Copernico Alumni Dell Ateneo Estense |
| Free University of Berlin | 2002 | | Festschrift Honoring Prof. Gert Kunkel |
| Baylor College of Medicine | 2002 | | First Annual Honorary Joseph R. Rodarte Lectureship in Pulmonary Medicine |
| 1999 | | Best Doctors of San Francisco Bay Area Nomination |
| Jefferson Medical College, Philadelphia | 1998 | | Alumni Achievement Award, JH Coley Lectureship |
| 1998 | | Best Doctors of America Nomination |
| American Thoracic Society | 1997 | | Trudeau Medal |
| Dickinson Law School, Carlisle, PA | 1997 | | Honorary Degree in Law |
| University of Lund, Sweden | 1996 | | Honorary Doctorate of Medicine |
| German Society of Pulmonology | 1994 | | Honorary Membership, Society for Lung and Airway Research |
| Finnish Association of Pulmonary Physicians | 1994 | | Honorary Membership |
| University of Helsinki | 1994 | | Medal of the University |
| San Francisco | 1993 | | Amberson Lecturer, American Thoracic Society |
| Ben Gurion University | 1992 | | Distinguished Achievement Award |
| American Lung Association | 1992 | | Crocker Clean Air Award (for outstanding research in Air Pollution) |
| University of Southern California | 1992 | | Sam J. Sills Honorary Lectureship |
| University of Ferrara, Ferrara, Italy | 1991 | | Honorary Doctorate of Medicine |
| Aspen Lung Conferences | 1991 | | Giles S. Filley Lecture |
| Royal Society of Medicine Foundation | 1990 | | Pfizer Visiting Professor |
| University of Nebraska School of Medicine | 1990 | | Kass Lectureship and Medalist |
| Brown University School of Medicine | 1989 | | Distinguished Lecturer, The Ninth William P. Buffum Oration |
| American College of Chest Physicians | 1987 | | Distinguished Lecturer in Physiology |
| American Lung Association of California | 1984 | | Clean Air Award |
| American Lung Association of California | 1984 | | California Medal |
| California Thoracic Society | 1984 | | Honorary Membership |
| Hammersmith Hospital, London, England | 1973 | | Visiting Scientist |
| University of Oxford, Oxford, England | 1962 | | Visiting Scientist, University Laboratory of Physiology |
| Cardiovascular Research Institute, University of California, San Francisco | 1960
-
| 1961 | Giannini Research Fellow |
| Philadelphia General Hospital | 1955 | | Blockley Award for Outstanding Publication |
| Jefferson Medical College | 1953 | | Medical Practice Prize |