He was among the first to discard the lancet in his treatment of disease.
"The History of the Medical Department of Transylvania University"
Robert Peter
Doctor Lawson continued to teach from this chair until the death of Professor J. P. Harrison, whom he succeeded in that of the Principles and Practice of Medicine and Clinical Medicine, in the same college in 1852. He was appointed Professor of the Theory and Practice of Medicine in the Kentucky School of Medicine in Louisville in 1854, but accepted a call to the same chair in the Medical College of Ohio, Cincinnati, in 1857. He filled the chair of Clinical Medicine in the University of Louisiana, New Orleans, in 1860, but returned in consequence of the Civil War to the Medical College of Ohio the following year, in which college he remained until his death, January 21, 1864. He founded the Western lancet, and was its sole editor and proprietor from 1842 up to the time of his decease.
"The History of the Medical Department of Transylvania University"
Robert Peter
The London lancet said in its obituary: By the death of Sir Dominic Corrigan, the medical profession loses one of its most conspicuous members, the University at Edinburgh one of its most illustrious graduates, and the Irish race one of its finest specimens.
"Makers of Modern Medicine"
James J. Walsh