[2] Having learned to play clarinet and saxophone because of his enthusiasm for the music of famous dance bands such as Glenn Miller and the Dorsey brothers, Tommy and Jimmy he became a professional musician.
[3] After serving in the army during World War II and while working as a dance hall musician, Williamson converted to Christianity at age 21.
He attended Hope College in Holland, Michigan, for one year and then transferred to Drake University in Des Moines, Iowa.
[4] He served in various positions as a pastor for fifty years including two terms as a minister in the Reformed Churches of New Zealand.
He wrote in the Aquila Report[8] an exposition of Hebrews 11:1-3 to show how the author sets forth a six-day creation [9] and in the same magazine for September 16, 2013: "It’s my conviction that we in the Presbyterian and Reformed community have lost credibility with respect to this ..."[10] He was also a defender of the Regulative Principle of Worship.