original: he began this form of ministry in 1947 and continued until recently .
simplifications: he started this form of preaching in 1947 and kept going until recently . he started this form of ministry in 1947 and got on with it until short while ago . he began this form of preaching in 1947 and continued until recently . he was in ministry from 1947 to recently . this ministry was begun in 1947 . he began this form of ministry in 1947 and continued until currently . he started this form of ministry in 1947 and continued it until recently . he practice this form of ministry from 1947 until just recently .