He then was principal of a small Adventist school in Oakland, California, before becoming a construction worker and handyman at a newly purchased Adventist sanitarium in Loma Linda, California, where he published Illogical Geology: The Weakest Point in the Evolution Theory in 1906.
Kemudian ia menjadi kepala sekolah Adventis kecil di Oakland, California, sebelum menjadi pekerja bangunan dan tukang di sanitarium Adventis baru di Loma Linda, California, di mana ia menerbitkan Illogical Geology: The Weakest Point in the Evolution Theory (Geologi yang Tidak Logis: Titik Terlemah Teori Evolusi) pada tahun 1906.