H.B. Logan with Basic Technique class taught in Omaha and Lincoln, Nebraska in June 1935. H.B. Logan sitting in in the middle of the front row with Peggy Logan on his right. Sylva Ashworth, the "Grand Old Lady of Chiropractic" is in the second row,…
Logan Basic Technique class taught in Wisconsin. Fred O. Ring, H.B. Logan's top teacher on the road, is seated in the first row, second from the right.