Judd attended meetings at Welbeck Street and was acquainted with the CMS missionary Frederick Foster Gough. After the Lammermuir Party had sailed for China, Judd became aware of the writings of Henry Grattan Guinness, and met Thomas John Barnardo at Gough's home in Bow, East End of London. As a result, he became interested in James Hudson Taylor's mission and his book "China's Spiritual Need and Claims".
Judd attended conferences at Welbeck Street, was acquainted with CMS missionary Frederick Foster Gough, and upon the Lammermuir Party's departure for China, he discovered Henry Grattan Guinness's writings and met Thomas John Barnardo at Gough's home in Bow, London. This encounter led him to become fascinated with James Hudson Taylor's mission and its publication "China's Spiritual Need and Claims".