“ The success of the Heiser treatment led physicians generally to adopt injections as the best method of giving the oil, but it was thick and not easily absorbed. This led Dr. Harry T. Hollman, a member of the Government Medical Corps at Honolulu, to call for a more diluted form of the oil, one freed from extraneous matter, an ethyl ester, or the vital principle, if there was one. The decomposition of the oil, he said, should be accomplished outside the body. ”

“ As a result in the Rosenwald schools the windows are so placed as to give the right kind of light; the blackboards too are properly located; and the equipment in the way of desks is the best available for the funds on hand. No school building is paid for until inspection has shown it to be built according to the approved ideas.
The following extract from Current History, Vol. XV, pages 771-772, sets forth the participation of Alice Ball, a scholarly Negro chemist, in the treatment of leprosy through the use of chaulmoogra oil extracted by a difficult scientific process. ”

“ President Dean then entered upon the task with redoubled enthusiasm. He was encouraged from results obtained to give every possible aid to the indomitable and optimistic Dr. Hollman. There were months of persistent effort, the devising of expensive and complicated apparatus, including a special furnace for intense heat. At last the precise ethyl ester desired with a number of others was secured. Injections were made as before into the hips of patients the large muscles were selected to avoid any possible introduction of the medicine into the large veins or arteries. ”