This biography examines the life of a most unusual twentieth-century evangelical, Kenneth L. "Ken" Pike (1912-2000), who served with the Wycliffe Bible Translators and the Summer Institute of Linguistics. Pike began his missionary career as a Bible translator, but he went on to become a world-class linguist who made his mark on the science of linguistics and the study of indigenous languages around the world. Known among linguists and anthropologists for his theoretical contributions, this volume seeks to bring Pike to a wider audience by illuminating his life as a key evangelical figure, one who often broke with conventional evangelical constraints to pursue the life of the mind as a Christian intellectual and scholar. Here is a story of how one evangelical Christian man served the global church, the scientific community, and the world's indigenous peoples with his entire heart, soul, and mind.