Polygraph device's primary advocate, lobbying for its use in the courts. In 1938 he published a book, "The Lie Detector Test", wherein he documented the theory and use of the device. In 1938 he appeared in advertising by the Gillette company claiming that the polygraph showed Gillette razors were better than the competition. A device recording both blood pressure and breathing was invented in 1921 by John Augustus Larson of the University of California and first applied in law enforcement work by the Berkeley Police Department under its nationally renowned police chief August Vollmer. Further work on this device was done
What a Beautiful Name to sing and which does not strain the voice with notes that are too high or too low. He also comments that the song is written in the key of D which is "the optimal key for both men and women." "What a Beautiful Name" had its worldwide digital release on 6 January 2017, and topped Billboard's Hot Christian Songs chart on 25 February. The single has held the top position for 38 weeks making it the second-longest-leading No. 1 in the 14-year history of the Hot Christian chart. The song which claims the distinction as the longest-leading No. 1