Apart from the founder of the Exclusive Brethren, what is the name of the second person who was sent by the Plymouth Brethren to investigate the outbreak of supernatural gifts of the Holy Spirit in Scotland?
Margaret MacDonald (visionary):  In response, Isabella and Mary Campbell of the parish of Rosneath manifested charismatic experiences such as speaking in tongues. Margaret MacDonald (visionary):  These charismatic experiences garnered major national attention. Margaret MacDonald (visionary):  Many came to see and investigate these events. Margaret MacDonald (visionary):  Some, such as Edward Irving and Henry Drummond, regarded these events as genuine displays from the Holy Spirit. Margaret MacDonald (visionary):  Others, including John Nelson Darby and Benjamin Wills Newton, whom the Plymouth Brethren sent on their behalf to investigate, came to the conclusion that these displays were demonic.
i don't know