Question: 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?

full_context: Document 1: Behind the Exclusive Brethren: Behind the Exclusive Brethren: Politics Persuasion and Persecution is a non-fiction book by journalist and author Michael Bachelard about the group Exclusive Brethren, focusing on the sect in Australia. It was published in 2008 by Scribe Publications Pty Ltd. Bachelard first became interested in the organisation while a journalist for "The Age", after finding out that prior to the 2007 Australian federal election the Exclusive Brethren organisation in Australia had close access to John Howard. He spent two years researching the group, focusing on its history, influence in Australia, and ties to the Liberal Party of Australia and to Howard. The book gives a historical background of the group's origins 200 years ago in Ireland under John Nelson Darby. Since 2002, Bruce Hales served as the international leader and "Elect Vessel" of the organisation, which has 15,000 members in Australia and 43,000 total globally. The author describes the beliefs and practices and doctrine of the organisation, including some of its more controversial methodology including excommunication of former members from their family still within the group. Daniel Hales, brother of the organisation's worldwide leader Bruce Hales, described the book as part of a trend of what he said were lies told about his group by critics and disaffected former members.
Document 2: Plymouth Brethren: The Plymouth Brethren are a conservative, low church, nonconformist, Evangelical Christian movement whose history can be traced to Dublin, Ireland in the late 1820s, originating from Anglicanism. Among other beliefs, the group emphasizes "sola scriptura", the belief that the Bible is the supreme authority for church doctrine and practice over and above any other source of authority.
Document 3: History of popular religion in Scotland: The history of popular religion in Scotland includes all forms of religion outwith the formal theology and structures of institutional religion, between the earliest times of human occupation of what is now Scotland and the present day. Very little is known about religion in Scotland before the arrival of Christianity. It is generally presumed to have resembled Celtic polytheism and there is evidence of the worship of spirits and wells. The Christianisation of Scotland was carried out by Irish-Scots missionaries, and to a lesser extent those from Rome and England, from the sixth century. Elements of paganism survived into the Christian era. Most early evidence of religious practice is heavily biased towards monastic life. Priests carried out baptisms, masses and burials, prayed for the dead and offered sermons. The church dictated in moral and legal matters and impinged on other elements of everyday life through its rules on fasting, diet, the slaughter of animals and rules on purity and ritual cleansing. One of the main features of Medieval Scotland was the Cult of Saints, with shrines devoted to local and national figures, including St Andrew, and the establishment of pilgrimage routes. Scots also played a major role in the Crusades. Historians have discerned a decline of monastic life in the late medieval period. In contrast, the burghs saw the flourishing of mendicant orders of friars in the later fifteenth century. As the doctrine of Purgatory gained importance the number of chapelries, priests and masses for the dead within parish churches grew rapidly. New "international" cults of devotion connected with Jesus and the Virgin Mary began to reach Scotland in the fifteenth century. Heresy, in the form of Lollardry, began to reach Scotland from England and Bohemia in the early fifteenth century, but did not achieve a significant following.
Document 4: Achsa W. Sprague: Achsa W. Sprague (November 17, 1827 – July 6, 1862) was one of the best-known Spiritualists during the 1850s in the United States. Primarily a medium and trance lecturer, she also wrote articles and poetry for Spiritualist publications such as the "Banner of Light", the "Green Mountain Sibyl", and the "People's World".
Document 5: World Baptist Fellowship: "The Fundamentals" was a series of twelve 128-page booklets defending the 'fundamentals' of the faith, such as the inerrancy of the Bible, the virgin birth of Christ and the literal return of Christ. In 1920 Curtis Lee Laws, a Baptist editor of "The Watchman-Examiner", coined the term 'fundamentalist' and defined a fundamentalist as one "ready to do battle royal for the Fundamentals of the faith." J. Frank Norris became a combatant in the fundamentalist/modernist controversy. He edited a paper entitled "The Fundamentalist". Both the Southern Baptist Convention and the Baptist General Convention of Texas expelled Norris because of his controversial behavior. Norris, C. P. Staley and others formed the Premillennial Missionary Baptist Fellowship in 1933 at Fort Worth, Texas. In 1938, the name was changed to World Fundamental Baptist Missionary Fellowship and then to World Baptist Fellowship (WBF) after the schism that created the Baptist Bible Fellowship International in 1950. The WBF was again divided in 1984, when a group led by Raymond W. Barber established the Independent Baptist Fellowship International and the Norris Bible Baptist Institute.
Document 6: Exclusive Brethren: The Exclusive Brethren are a subset of the Christian evangelical movement generally described as the Plymouth Brethren. They are distinguished from the Open Brethren from whom they separated in 1848.
Document 7: Plymouth Brethren Christian Church: The Plymouth Brethren Christian Church (PBCC) is a Protestant church, often known as Exclusive Brethren or Raven-Taylor-Hales Brethren. These Brethren hold an uncompromising 'separatist' doctrine and their practice has steadily evolved differently from other Plymouth Brethren groups and also from mainstream Christianity. In a radical departure from traditional Plymouth Brethren rejection of a clerical hierarchy, the PBCC has evolved into a tightly-controlled hierarchical organization dominated by one person known as the Elect Vessel or the Man of God. The current Elect Vessel is Bruce Hales of Australia. Most media reporting of "Exclusive Brethren" relates only to the Plymouth Brethren Christian Church although other branches exist.
Document 8: Benjamin Wills Newton: Benjamin Wills Newton, (12 December 1807 – 26 June 1899) was an English evangelist and author of Christian books. He became the most notable leader of the church in Plymouth after which the Plymouth Brethren were named. Although he had been a close friend of John Nelson Darby, they began to clash on matters of church doctrine and practice which led to the 1848 split of the brethren movement into the Open Brethren and Exclusive Brethren and Newton's withdrawal.
Document 9: John Nelson Darby: John Nelson Darby (18 November 1800 – 29 April 1882) was an Anglo-Irish Bible teacher, one of the influential figures among the original Plymouth Brethren and the founder of the Exclusive Brethren. He is considered to be the father of modern Dispensationalism and Futurism. Pre-tribulation rapture theology was popularized extensively in the 1830s by John Nelson Darby and the Plymouth Brethren, and further popularized in the United States in the early 20th century by the wide circulation of the Scofield Reference Bible.
Document 10: Margaret MacDonald (visionary): Margaret MacDonald was born in 1815 in Port Glasgow, Scotland and died around 1840. She lived with her two older brothers, James and George, both of whom ran a shipping business. Beginning in 1826 and through 1829, a few preachers in Scotland emphasized that the world's problems could only be addressed through an outbreak of supernatural gifts from the Holy Spirit. In response, Isabella and Mary Campbell of the parish of Rosneath manifested charismatic experiences such as speaking in tongues. Around 1830, miraculous healings were reported through James Campbell, first of his sister Margaret MacDonald and then of Mary Campbell (through James's letter to Mary). Shortly thereafter, James and George MacDonald manifested the speaking and interpretations of tongues, and soon others followed suit in prayer meetings. These charismatic experiences garnered major national attention. Many came to see and investigate these events. Some, such as Edward Irving and Henry Drummond, regarded these events as genuine displays from the Holy Spirit. 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.
Document 11: James MacGregor (moderator): Very Rev James MacGregor DD FRSE (1832-1910) Scottish minister and philanthropist. He was Moderator of the General Assembly of the Church of Scotland in 1891. In 1886 he was made Chaplain in Ordinary to Queen Victoria, in 1901 Chaplain to King Edward VII, and in 1910 to King George V, serving three monarchs in all.
Document 12: Great White Brotherhood: The Great White Brotherhood, in belief systems akin to Theosophical and New Age, are said to be supernatural beings of great power who spread spiritual teachings through selected humans. The members of the Brotherhood may be known as the Masters of the Ancient Wisdom or the Ascended Masters. The first person to talk about them was Helena Petrovna Blavatsky (Theosophy), and after she and other people claimed to have received messages from them. These included Aleister Crowley, Alice A. Bailey, Guy Ballard, Geraldine Innocente (The Bridge to Freedom), Elizabeth Clare Prophet and Benjamin Creme. Machaelle Small Wright has written extensively about the "White Brotherhood" and her communication and work with them.
Document 13: Margaret Wilson (Scottish martyr): Margaret Wilson (c. 1667 – 11 May 1685) was a young Scottish Covenanter, from Wigtown in Scotland executed by drowning for refusing to swear an oath declaring James VII (James II of England) as head of the church. She died along with Margaret McLachlan. The two Margarets were known as the Wigtown Martyrs. Wilson became the more famous of the two because of her youth. As a teenager, her faith unto death became celebrated as part of the martyrology of Presbyterian churches.
Document 14: Sister Lauras Food Supplement: In the early 1900s Sister Laura Marian Smith, a nurse at the Glasgow Royal Maternity Hospital, noted the high levels of malnutrition in children at the time, and is credited with promoting the use of a Casein inhibitor to make cows milk more beneficial to those who had extreme difficulty in digesting it. By creating a powder formulae to mix with milk, it enabled it to become an effective aid to patient recovery. Although named after Sister Laura - this was a marketing strategy as the powder is said to have been developed by Dr Leonard Findlay, at the time a noted expert of infant dietary disorders at Rottenrow. Although Sister Laura was one of the original shareholders when the company when it was established in 1911, by 1920 she had sold her interests in the company, though it continued to expand, opening a purpose-built factory at Emerson Road West, Bishopbriggs.
Document 15: Margaret, Maid of Norway: Margaret, Maid of Norway (9 April 1283 – 26 September 1290) was a Norwegian princess who was recognised as Queen of Scots following the death of her grandfather, King Alexander III, in March 1286. Her death in Orkney while travelling to Scotland sparked off the disputed succession which led to the Wars of Scottish Independence.
ground_truth: Benjamin Wills Newton