Albert William “A. W.” Harvey preached in a meeting in 1908 at the Normal church in Grant County, Indiana and Aaron W. Dicus obeyed the gospel. He was baptized by J. S. Johns.
An evangelist for the churches of Christ and gospel hymn writer. In 1912, he received his B.S. degree from Marion Normal at Marion, Indiana. Later he received the A.B., M.A., and Ph.D. degrees from Indiana University at Bloomington. He taught in high schools in Indiana and Illinois; including seven years in Indianapolis. He then was elected to teach science in the University at Bloomington.
In January, 1930, he moved to Cookeville, Tennessee, to become professor and head of the department of physics at Tennessee Polytechnic Institute. He continued at T.P.I. for twenty years. At one time he was President of the Tennessee Academy of Science, a member of the Southern Association of Physicists, and a member of Sigma Psi, a national scientific honorary society.
A. W. Dicus was a man of many and varied talents. He invented a number of gadgets. He was credited with inventing and securing patent rights for the automobile turn signal in 1920. His signals were manufactured at the Dicus-Schelmier plant, of which he was co-owner, in Indianapolis. The plant closed in 1921, and in 1937 his patent (No. 1,359,341) expired. He invented an electric pencil sharpener, an automobile speed governor, and a skill saw.
He wrote and published three books-A Brief Commentary on Romans and Hebrews, Church Leadership, and a volume of Sermon Outlines. He prepared some others works in manuscript form.
He was successful as a builder. In addition to the meeting house at Temple Terrace, he built homes for himself, some apartment houses, and a building at Florida College -which served for years as the class room building but is now a dormitory for boys and known as the Dicus Building.