Between 1838 and 1840, the American Anti-Slavery Society split in three, in part over the issue of women's leadership, specifically Abby Kelley's appointment to the business committee. Radical abolitionists and women's rights supporters, known as Garrisonian abolitionists, remained in the American Anti-Slavery Society.
In 1964, research by Grey Walter and colleagues began the modern era of ERP component discoveries when they reported the first cognitive ERP component, called the contingent negative variation (CNV). Sutton, Braren, and Zubin (1965) made another advancement with the discovery of the P3 component.
1 1973: Network Voice Protocol (NVP) developed by Danny Cohen and others to carry real time voice over Arpanet. 2  1974: The Institute of Electrical and Electronic Engineers (IEEE) published a paper titled A Protocol for Packet Network Interconnection.