Herman was the son of Har­ry Fran­cis Vos and Nel­lie Bor­gerd­ing.

He was edu­cat­ed at the Shaf­fer School of Mu­sic, Mus­ke­gon, Mi­chi­gan; Moo­dy Bi­ble Ins­ti­tute, Chi­ca­go, Il­li­nois; the Ri­chard De­Young School of Mu­sic, Chi­ca­go; and the Cos­mo­po­li­tan School of Mu­sic, Chi­ca­go.

He played the or­gan for ra­dio sta­tion WMBI in Chi­ca­go, was a mu­sic ed­it­or for Sing­spi­ra­tion, Inc., and was an or­gan­ist and adult Bi­ble class teach­er at the First Church of the Na­za­rene in Chi­ca­go.