regularly but, according to Raymond Franz, only briefly. Franz claims meetings were sometimes as short as seven minutes, to make decisions about branch appointments and conduct that should be considered disfellowshipping offenses. Franz claims that in 1971 and again in 1975, the Governing Body debated the extent of the authority it should be given. The Governing Body voted in December 1975 to establish six operating committees to oversee the various administrative requirements of the organization's worldwide activities that formerly had been under the direction of the president. Each branch overseer was replaced by a branch committee of at least three members. The change, which took effect on January 1, 1976, was described in the Watch Tower Society's 1993 history book, Jehovah's Witnesses—Proclaimers of God's Kingdom, as "one of the most significant organizational readjustments in the modern-day history of Jehovah's Witnesses". Headquarters purge In 1980, dissent arose among members of the Governing Body regarding the significance of 1914 in Jehovah's Witnesses' doctrines. According to former Witnesses James Penton and Heather and Gary Botting, internal dissatisfaction with official doctrines continued to grow, leading to a series of secret investigations and judicial hearings. Consequently, dissenting members were expelled from the Brooklyn headquarters staff in the same year. Raymond Franz claimed he was forced to resign from the Governing Body, and he was later disfellowshipped from the group. The Watch Tower Society responded to the dissent with a more severe attitude regarding the treatment of expelled Witnesses. In his 1997 study of the denomination, Penton concluded that since Raymond Franz's expulsion in 1980, the Governing Body displayed an increased level of conservatism, sturdy resistance to changes of policy and doctrines, and an increased tendency to isolate dissidents within the organization by means of disfellowshipping. Helpers The April 15, 1992, issue of The Watchtower carried an article entitled Jehovah's Provision, the "Given Ones" which drew a parallel between ancient non-Israelites who had been assigned temple duties (the "Nethinim" and "sons of the servants of Solomon") and Witness elders in positions of responsibility immediately under the oversight of the Governing Body who did not profess to be "anointed". Both that issue of The Watchtower and the 1993 Yearbook of Jehovah's Witnesses carried the same announcement: In view of the tremendous increase worldwide, it seems appropriate at this time to provide the Governing Body with some additional assistance. Therefore it has been decided to invite several helpers,