original: He began this form of ministry in 1947 and continued until recently.
simplifications: He began this form of ministry in 1947 and only stopped recently. He began this type of religious service in 1947. He changed his ministry style in 1947. He didn't change it until recent times. He began this type of ministry in 1947. He continued until recently. He began this form of ministry in 1947. He kept going until recently. He started his ministry in 1947. He began this type of ministry in 1947 and continued until recently. He began this type of ministry in 1947. It had continued until recently. He began this form of ministry in 1947. He continued until recently. He began this type of ministry in 1947 and continued until recently.