Professor Barker earned his undergraduate degree at Duquesne University, where he
majored in History and Political Science and was captain of the debate team. 

He graduated in 1966 from Duquesne University School of Law, where he was Case Editor of
the Duquesne University Law Review. Following his admission to the Pennsylvania bar, he
served for two years as a U.S. Peace Corps Volunteer in Panama. Upon his return to
Western Pennsylvania, he worked as an attorney for Neighborhood Legal Services, an
official of the City of Pittsburgh’s Model Cities Program, an associate of the law firm
of Rose, Schmidt and Dixon, and Assistant Dean and Assistant Professor at Duquesne
University School of Law. 

In 1974, he earned a Master’s degree in American History at Duquesne. Thereafter, as
Assistant Allegheny County Solicitor, he was Legal Counsel to Pittsburgh International
Airport for six years, and served as Vice Chairman and, later, Chairman of the American
Bar Association Committee on Airport Law. He returned to the full-time Duquesne Law
faculty in 1982. 

Articles

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Natural Law and the United States Constitution, The Review of Metaphysics (2012)

The United States Constitution was written for the purpose of establishing an effective but limited...

 

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Constitutionalism in Latin America: Current Trends, Latin American Law & Business Report (2010)
 

Contributions to Books

El Estado de Derecho y La Independencia Judicial: La Experiencia de los Estados Unidos, Estado de Derecho, Democracia y Gobernabilidad (2012)
 

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Constitutional Jurisdiction and Judicial Review: The Experience of the United States (with W. Santos), Temas de Direito Sustantável (2010)
 

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El proceso independentista de los Estados Unidos de América (with P. Galeana), Historia comparada de las Américas Sus procesos independentistas (2010)
 

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Jurisdicción Constitucional y Judicial Review: La Experiencia de los Estados Unidos (with Victor Bazan), Derecho Procesal Constitucional Americano y Europeo (2010)
 

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Principales aportaciones al mundo de los constituyentes de Filadelfia (with P. Galeana), El Constitucionalismo mexicano: Influencias continentales y trasatlánticas (2010)