1984 – Death of Francis Schaeffer, a Christian apologist. With his wife, Edith, he had operated L’Abri, a ministry to intellectuals. His most important book may have been his smallest, Escape from Reason, which caused many evangelicals to look at the development of literature and art. He had often argued that moral relativity is responsible for social ills.
http://www.christianhistoryinstitute.org/today/5/15
Christian conservative leaders such as Tim LaHaye have credited Schaeffer for influencing their theological arguments urging political participation by evangelicals.
Beginning in the 1990s, critics began exploring the intellectual and ideological connection between Schaeffer’s political activism and writings of the early 1980s to contemporary religious-political trends in the Christian Right, sometimes grouped under the name Dominionism, with mixed conclusions.
Sara Diamond and Frederick Clarkson have written articles tracing the activism of numerous key figures in the Christian Right to the influence of Francis Schaeffer. According to Diamond: „The idea of taking dominion over secular society gained widespread currency with the 1981 publication of…Schaeffer’s book A Christian Manifesto. The book sold 290,000 copies in its first year, and it remains one of the movement’s most frequently cited texts.”
RoEvanghelica 