Was this quick enough?
Here are the starting clues -
He was:
*Sent to America alone at 16 years old from Ireland
*Originally an apprentice to a rancher in Nebraska to become a cattleman
*Even at a young age he was praised for his character, industry and thoughtfulness
*Attended tent meetings at 18 and was baptized as a Seventh-day Adventist
*Two weeks after his baptism he became a "tent master" and went to work giving Bible studies
*That same year he became a preacher, holding meetings in a country schoolhouse
*Decided as a result of his meetings that he needed more education before he could become a full-time evangelist
*Moved to Battle Creek to work, get treatments for a persistent cough and attend college
*Loved Bible and history
*Met Ellen White for the first time at the Minneapolis GC Session in 1888
*Ellen White took him in to live at her home for awhile where he learned a lot directly from her
*At Ellen White's insistence, he traveled with S.N. Haskell around the world looking for locations for mission stations
*When he returned from the trip he became the secretary of the Foreign Mission Board and head of the Bible and History department at Emmanuel Missionary College - where he would eventually become dean of the College shortly after it moved from Battle Creek to Berrien Springs