John locke (16328.29-1704.10.28) The 17th century English philosopher John Locke developed theories of empiricism that emphasized the role of human experience in the pursuit of knowledge and truth many of Locke' s political theories influenced the authors of the Encarta Encyclopedia Constitution of the United states Archive photosThe 17th century English philosopher John Locke developed theories of empiricism that emphasized the role of human experience in the pursuit of knowledge and truth. Many of Locke’s political theories influenced the authors of the Constitution of the United States. John Locke (1632.8.29~1704.10.28)