Statement before the United States Senate Committee on Finance, Senator Daniel Patrick Moynihan, Chairman, May 4, 1994.

President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research, Washington, DC, January 10, 1981.

Air Pollution Control Board, State of Ohio, December 17, 1969.

Baltimore Citizen's Workshop for Air Pollution Control, Baltimore, Maryland, October 23, 1969.

Air Pollution Control Board, State of Illinois, August 5, 1969.

Air Pollution Control Board, State of Indiana, July 21, 1969.

Statement before the Minneapolis Air Pollution Agency, Minneapolis, Minnesota, December 23, 1968.

Statement before the State Board of Health, Baltimore, Maryland, November 29, 1968.

Statement before the United States Senate Subcommittee on Air and Water Pollution, July 30, 1968.

Regional Hearing, Air Pollution, Kansas City, Missouri, May 2, 1968.

Statement, Chicago Air Pollution Hearing, Chicago, Illinois, February 13, 1968.

New York New Jersey Air Pollution Abatement Conference, New York University, New York, New York, February 2, 1968.

Statement before the State Board of Health, Senate Chambers, Helena, Montana, May 26-27, 1967.

Statement before the United States Senate Subcommittee on Air Pollution, Senator Edmund S. Muskie, Chairman, May 18, 1967.

Tristate Air Pollution Hearing, Statler Hilton Hotel, New York, New York, January 4, 1967.

Missouri State Air Conservation Commission, St. Louis, Missouri, November 29, 1966.

EastWest Gateway Council, St. Louis, Missouri, September 27, 1966.

Florida State Air Pollution Board, Lakeland, Florida, 1966.