Mentioned in the 1953-01-08-01 Minutes of the Pima County Medical Society, 1904-1954.  Name also appears as “Lewis.”  Doctor-lawyer.  President of the L.A. County Medical Association.
Louis J. Regan. Malpractice Suits—The Rising Tide. Calif West Med. 1946 February; 64(2): 69–71.
J Am Med Assoc, Feb 1956; 160: 409: Regan, Louis John, Major, U. S. Army, retired, Los Angeles; born in Bloomfield, N. Y., Feb. 20, 1892; George Washington University School of Medicine, Washington, D. C, 1913; also an attorney; professor and head of department of legal medicine at the College of Medical Evangelists, Loma Linda and Los Angeles; clinical professor of forensic medicine at the University of Southern California School of Medicine; past-president of the Los Angeles County Medical Association and its legal adviser for nearly 10 years; since 1950 vice-chairman of the American Medical Association Committee on Medicolegal Problems; served as president of the American Academy of Forensic Sciences; at one time served in the regular Army Medical Corps; retired as a major in 1921; died in Santa Monica (Calif.) Hospital Dec. 3, aged 63, of coronary heart disease.
      
  Louis J. Regan. Malpractice Suits—The Rising Tide. Calif West Med. 1946 February; 64(2): 69–71.
J Am Med Assoc, Feb 1956; 160: 409: Regan, Louis John, Major, U. S. Army, retired, Los Angeles; born in Bloomfield, N. Y., Feb. 20, 1892; George Washington University School of Medicine, Washington, D. C, 1913; also an attorney; professor and head of department of legal medicine at the College of Medical Evangelists, Loma Linda and Los Angeles; clinical professor of forensic medicine at the University of Southern California School of Medicine; past-president of the Los Angeles County Medical Association and its legal adviser for nearly 10 years; since 1950 vice-chairman of the American Medical Association Committee on Medicolegal Problems; served as president of the American Academy of Forensic Sciences; at one time served in the regular Army Medical Corps; retired as a major in 1921; died in Santa Monica (Calif.) Hospital Dec. 3, aged 63, of coronary heart disease.
Master pnID
              AMH-PN3040
           Src2 PCMSMin
              PCMS-Min
          PCMS pnID
              pn0863
          Residence(s)
          Los Angeles CA