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<ref name=rdl>Dr. Virgil Orr | Ruston Daily Leader (rustonleader.com), accessed May 4, 2021.</ref><ref name=whoswho>Virgil L. Orr, ''Who's Who in American Politics, 2003-2004,'' 19th ed., Vol. 1 (Alabama-Montana) (Marquis Who's Who: New Providence,  [[New Jersey]], 2003), p. 790.</ref>

<ref name=rdl>Dr. Virgil Orr | Ruston Daily Leader (rustonleader.com), accessed May 4, 2021.</ref><ref name=whoswho>Virgil L. Orr, ''Who's Who in American Politics, 2003-2004,'' 19th ed., Vol. 1 (Alabama-Montana) (Marquis Who's Who: New Providence,  [[New Jersey]], 2003), p. 790.</ref>

In September 1952, Orr joined the Louisiana Tech faculty. In 1966, he was co-authored the article, "Vapor–Liquid Equilibrium for the Hexamethyldisiloxane–''n''-Propyl Alcohol System", with colleagues Woodrow W. Chew, Jr. and Charles A. Killgore, which was published in the ''Journal of Chemical and Engineering Data''.<ref>{{cite journal|title=Research Article (October 1966)|journal=Journal of Chemical & Engineering Data|volume=11|issue=4|pages=535–537|doi=10.1021/je60031a018|year = 1966|last1 = Killgore|first1 = C. A.|last2=Chew|first2=W. W.|last3=Orr|first3=Virgil}}</ref> He was subsequently appointed to the role of Dean of the College and served as Vice President, under [[F. Jay Taylor]], before retiring in June 1980. Louisiana Tech would later honor Orr with the Virgil Orr Professorship in Chemical Engineering<ref>{{cite web|url=http://www.latechalumni.org/s/810/index.aspx?sid=810&gid=1&pgid=504|title=Endowed Eminent Scholar Chairs and Endowed Professorships|publisher=latechalumni.org|access-date=July 10, 2010}}</ref> and the Virgil Orr Undergraduate Junior Faculty Award.<ref>{{cite web|url=http://www.latech.edu/capd/Virgil%20Orr.shtml|title=The Virgil Orr Junior Faculty Award|publisher=latech.edu|access-date=July 19, 2010}}</ref><ref name=rdl/>

In September 1952, Orr joined the Louisiana Tech faculty. In 1966, he was co-authored the article, "Vapor–Liquid Equilibrium for the Hexamethyldisiloxane–''n''-Propyl Alcohol System," with colleagues Woodrow W. Chew, Jr. and Charles A. Killgore, which was published in the ''Journal of Chemical and Engineering Data.''<ref>{{cite web|title=Research Article|date=October 1966|publisher=''The Journal of Chemical & Engineering Data''|volume=11|issue=4|pages=535–537|url=10.1021/je60031a018||author=C. A. Kilgore,W/W/ Chew, and Virgil Orr|accessdate=May 4, 2021}}</ref> He was subsequently appointed to the role of Dean of the College and served as Vice President, under [[F. Jay Taylor]], before retiring in June 1980. Louisiana Tech would later honor Orr with the Virgil Orr Professorship in Chemical Engineering<ref>{{cite web|url=http://www.latechalumni.org/s/810/index.aspx?sid=810&gid=1&pgid=504|title=Endowed Eminent Scholar Chairs and Endowed Professorships|publisher=latechalumni.org|access-date=July 10, 2010}}</ref> and the Virgil Orr Undergraduate Junior Faculty Award.<ref>{{cite web|url=http://www.latech.edu/capd/Virgil%20Orr.shtml|title=The Virgil Orr Junior Faculty Award|publisher=latech.edu|access-date=July 19, 2010}}</ref><ref name=rdl/>

In 1991, Orr was the recipient of the Russ Award, named for Robert Edwin Russ (1830-1902), the founder of Ruston. Three years later the Louisiana Tech Alumni Association presented him with its Tower Medallion. The following year he appeared on Louisiana Tech's Top 100 Alumni list.<ref name=whoswho/> During 1994–1995, Orr took on the role of President of the Louisiana Tech Foundation.<ref>"[Jack E.] Byrd elected to board," ''[[Minden Press-Herald]],'' September 14, 1994, p. 1.</ref>

In 1991, Orr was the recipient of the Russ Award, named for Robert Edwin Russ (1830-1902), the founder of Ruston. Three years later the Louisiana Tech Alumni Association presented him with its Tower Medallion. The following year he appeared on Louisiana Tech's Top 100 Alumni list.<ref name=whoswho/> During 1994–1995, Orr took on the role of President of the Louisiana Tech Foundation.<ref>"[Jack E.] Byrd elected to board," ''[[Minden Press-Herald]],'' September 14, 1994, p. 1.</ref>