Moderator of Panel on Bilateral Cleft Lip, Second International
       Congress on Cleft Lip and Palate, Copenhagan, Denmark,
       August, 1973.

"Causes of Dissatisfaction, Complications, and Revisionary
       Procedures to the American College of Surgeons' 59th
       Clinical Congress on Plastic Surgery in Otolaryngology",
       Chicago, October 15 - 19, 1973.

Visiting Professor of Surgery at Massachusetts General Hospital
       and Harvard Medical School and delivered the "E.P. Rich-
       ardson Memorial Lecture", Boston, March 18, 1974.

The Edward P. Richardson Lecture, Boston, Massachusetts,
       May 24, 1974, Massachusetts General Hospital.

Visiting Professor of Surgery at Yale University School of
       Medicine, New Haven, Connecticut, and spoke to the New
       England Society of Plastic and Reconstructive Surgeons,
       Mystic Seaport, May 31 - June 1, 1974.

Cleft Lip and Palate Symposium - University of Michigan,
       Presentations and Operations.  Ann Arbor, Michigan,
       May 15 - 16, 1977.

Guest Lecturer - American Cleft Palate Education Foundation,
       Symposium on Refinements in Cleft Lip and Palate Surgery,
       Northwestern University, Chicago, Illinois.  March 15 - 16,
       1977.

Invited surgical speaker, 3rd International Congress on
       Cleft Palate, June 5 - 10, 1977.  Treatment of Bilateral
       Cleft Lip and Cleft Palate, Toronto, Canada.

The George H. Monks Lecture in Surgery, Cambridge, Massachusetts.
       Visiting Professor of Surgery, Boston, Massachusetts.
       September 23 - 28, 1977. Sponsered jointly by Harvard Univer-
       sity and the Peter Bent Brigham Hospital and Children's
       Hospital Medical Center.

Presentation - "Breast Reconstruction Following Mastectomy".
       Surgery Postgraduate seminar.  University of Miami - Konover
       Hotel, Miami Beach, Florida.  January 18 - 21, 1978.

Presentation - Florida Cleft Palate Association, Seventeenth
       Annual Meeting & Postgraduate course, Konover Hotel, Miami
       Beach, Florida. February 3 - 4, 1978

Symposium - Flaps and Grafts (A Closed Encounter), U. C. L. A.
       February 7 - 9, 1979.

Discussion & Participation.  Rhinoplasty: Total Immersion
       Symposium, October 4 - 6, 1979. New York Plastic Surgery
       Clinic, Manhattan Eye, Ear & Throat Hospital.

Course Instructor, Post-graduate course on OB-GYN Surgery,
       Reconstructive Surgery of the Breast. January 24, 1980.
       University of Miami School of Medicine, key Biscayne, Fla.

Visiting Professor of Surgery, California Society of Plastic
       Surgeons, Inc., University of California - San Diego,
       Lecture on Reconstructive Rhinoplasty, March 20 - 23, 1980.

Clinical Congress Lecture, American College of Surgeons.
       Atlanta, Georgia, October 19 - 24, 1980.  Georgia World
       Congress Center.  Film - "The Management of Cleft Lip and
       Palate".

Kazanjian Lecture, New York, October 27 - 31, 1980.  "An
       overview of the Cleft Lip and Palate".

Seminar in Surgery, Post-graduate, January 7 - 10, 1981.
       Bal Harbour, Florida.  Reconstruction following surgery
       for breast cancer.

James Barrett Brown Visiting Professor in Plastic and
       Reconstructive Surgery.  Barnes Hospital, St. Louis,
       Missouri.  April, 1981.

Symposium - Cleft Lip and Palate - Course Director.  Univer-
       sity of Miami - Jackson Memorial Hospital.  March 12 -14,
       1981.  Operative Planning & Techniques in the Primary
       and Secondary Surgery of Unilateral Cleft Lip and Palate.
       Miami, Florida.

Visiting Professor, Indiana University Medical School, June
       17 - 19, 1982.

Guest Lecturer, British Postgraduate Medical Federation,
       Advanced course in Plastic Surgery, Skin Tumors and
       Facial Reconstruction, September, 1982.

Visiting Professor of Surgery, Johns Hopkins, Nov. 7 - 10,
       1984.

Visiting Professor, University of Pennsylvania for James
       Barrett Brown Society, March, 1986.

Guest lecturer for Robert H. Ivy Society, March 14, 1986,
       Hershey, Pennsylvania.

Tagliacozzi lecture at University of Bologna, Italy, June,
       1986.

Demonstration in Noses by Design in Smithsonian Institution,
       May to June, 1986.

"Progress of Pediatric Cleft Surgery", the Michel Gilbert
       Memorial Lecture, Miami Children's Hospital, May 12,
       1988.

Guest lecturer at Chinese Plastic Surgery Society, Beijing,
       People's Republic of China, October, 1988.

Guest lecturer at the Fourth Military Medical College,
       Xi-An, China, October, 1988.

Guest lecturer, First Military Medical College, Canton,
       China, October, 1988.

Jerome Webster Visiting Professor, New York, N.Y.,
       April 18, 1989.

John M. Converse Lecture, 1992.

Hunter Lecture, College of Oxford, 1993.

Guest lecturer at Masters Program of the New York
       Regional Society of Plastic and Reconstructive Surgery, 1996.

Ross H. Musgrave lecturer, University of Pittsburgh,
       November, 1997.

Ralph H. and Ruth F. Gross lecturer, University of Miami School
       of Medicine, December, 1997.