He learned Bible truth from his secretary, who witnessed to him informally. Later, in 1968, Glenn was called to Bethel to serve as a fireman in Brooklyn.
अनौपचारिक साक्ष देणाऱ्‍या त्यांच्या सेक्रेटरीकडून त्यांना बायबल सत्य मिळालं.