Question: When was Arthur Allen Leff's employer founded?

full_context: Document 1: Lucy Katz: Lucy Katz, J.D. is the Robert C. Wright Professor of Business Law, Ethics, and Dispute Resolution at Fairfield University in Fairfield, Connecticut.
Document 2: Leemon McHenry: Leemon McHenry is a bioethicist and a lecturer in philosophy at California State University, Northridge, in the United States. He has taught philosophy at the University of Edinburgh, Old Dominion University, Davidson College, Central Michigan University, Wittenberg University and Loyola Marymount University, and has held visiting research positions at Johns Hopkins University, UCLA and at the Institute for Advanced Studies in the Humanities in the University of Edinburgh. His research interests center on medical ethics, metaphysics, and philosophy of science.
Document 3: Yale University: Yale is organized into fourteen constituent schools: the original undergraduate college, the Yale Graduate School of Arts and Sciences, and twelve professional schools. While the university is governed by the Yale Corporation, each school's faculty oversees its curriculum and degree programs. In addition to a central campus in downtown New Haven, the University owns athletic facilities in western New Haven, including the Yale Bowl, a campus in West Haven, Connecticut, and forest and nature preserves throughout New England. The university's assets include an endowment valued at $25.6 billion as of September 2015, the second largest of any educational institution.The Yale University Library, serving all constituent schools, holds more than 15 million volumes and is the third-largest academic library in the United States.
Document 4: Yale University: The university hosts a variety of student journals, magazines, and newspapers. Established in 1872, The Yale Record is the world's oldest humor magazine. Newspapers include the Yale Daily News, which was first published in 1878, and the weekly Yale Herald, which was first published in 1986. Dwight Hall, an independent, non-profit community service organization, oversees more than 2,000 Yale undergraduates working on more than 70 community service initiatives in New Haven. The Yale College Council runs several agencies that oversee campus wide activities and student services. The Yale Dramatic Association and Bulldog Productions cater to the theater and film communities, respectively. In addition, the Yale Drama Coalition serves to coordinate between and provide resources for the various Sudler Fund sponsored theater productions which run each weekend. WYBC Yale Radio is the campus's radio station, owned and operated by students. While students used to broadcast on AM & FM frequencies, they now have an Internet-only stream.
Document 5: Yale University: Yale University is an American private Ivy League research university in New Haven, Connecticut. Founded in 1701 in Saybrook Colony as the Collegiate School, the University is the third-oldest institution of higher education in the United States. The school was renamed Yale College in 1718 in recognition of a gift from Elihu Yale, who was governor of the British East India Company. Established to train Congregationalist ministers in theology and sacred languages, by 1777 the school's curriculum began to incorporate humanities and sciences. In the 19th century the school incorporated graduate and professional instruction, awarding the first Ph.D. in the United States in 1861 and organizing as a university in 1887.
Document 6: Sanford Levinson: Sanford Victor Levinson (born June 17, 1941) is an American legal scholar, best known for his writings on constitutional law and as a professor at the University of Texas Law School. He is notable for his criticism of the United States Constitution as well as excessive presidential power and has been widely quoted on such topics as the Second Amendment, gay marriage, nominations to the Supreme Court, and other legal issues. He has called for a Second Constitutional Convention of the United States.
Document 7: Norman Levitt: Norman Jay Levitt (August 27, 1943 – October 24, 2009) was a mathematician at Rutgers University. He was born in The Bronx and received a bachelor's degree from Harvard College in 1963. He received a PhD from Princeton University in 1967.
Document 8: Leon Shklar: Leon Shklar is a professor in the computer science department at Rutgers University, where he teaches a senior level course in advanced web application development. He is also the co-author (with Rich Rosen) of the popular textbook "Web Application Architecture: Principles, Protocols, and Practices". He was formerly Head of Technology at Thomson Reuters Media. Prior to that he was the director of software development at Dow Jones.
Document 9: Yale University: Other examples of the Gothic (also called neo-Gothic and collegiate Gothic) style are on Old Campus by such architects as Henry Austin, Charles C. Haight and Russell Sturgis. Several are associated with members of the Vanderbilt family, including Vanderbilt Hall, Phelps Hall, St. Anthony Hall (a commission for member Frederick William Vanderbilt), the Mason, Sloane and Osborn laboratories, dormitories for the Sheffield Scientific School (the engineering and sciences school at Yale until 1956) and elements of Silliman College, the largest residential college.
Document 10: Yale University: Yale's residential college system was established in 1933 by Edward S. Harkness, who admired the social intimacy of Oxford and Cambridge and donated significant funds to found similar colleges at Yale and Harvard. Though Yale's colleges resemble their English precursors organizationally and architecturally, they are dependent entities of Yale College and have limited autonomy. The colleges are led by a master and an academic dean, who reside in the college, and university faculty and affiliates comprise each college's fellowship. Colleges offer their own seminars, social events, and speaking engagements known as "Master's Teas," but do not contain programs of study or academic departments. Instead, all undergraduate courses are taught by the Faculty of Arts and Sciences and are open to members of any college.
Document 11: Yale University: Yale expanded gradually, establishing the Yale School of Medicine (1810), Yale Divinity School (1822), Yale Law School (1843), Yale Graduate School of Arts and Sciences (1847), the Sheffield Scientific School (1847), and the Yale School of Fine Arts (1869). In 1887, as the college continued to grow under the presidency of Timothy Dwight V, Yale College was renamed Yale University. The university would later add the Yale School of Music (1894), the Yale School of Forestry & Environmental Studies (founded by Gifford Pinchot in 1900), the Yale School of Public Health (1915), the Yale School of Nursing (1923), the Yale School of Drama (1955), the Yale Physician Associate Program (1973), and the Yale School of Management (1976). It would also reorganize its relationship with the Sheffield Scientific School.
Document 12: Yale University: Expansion caused controversy about Yale's new roles. Noah Porter, moral philosopher, was president from 1871 to 1886. During an age of tremendous expansion in higher education, Porter resisted the rise of the new research university, claiming that an eager embrace of its ideals would corrupt undergraduate education. Many of Porter's contemporaries criticized his administration, and historians since have disparaged his leadership. Levesque argues Porter was not a simple-minded reactionary, uncritically committed to tradition, but a principled and selective conservative. He did not endorse everything old or reject everything new; rather, he sought to apply long-established ethical and pedagogical principles to a rapidly changing culture. He may have misunderstood some of the challenges of his time, but he correctly anticipated the enduring tensions that have accompanied the emergence and growth of the modern university.
Document 13: Norman Swartz: Norman Swartz (born 1939) is a professor emeritus (retired 1998) of philosophy, Simon Fraser University. He is the author or co-author of multiple books and multiple articles on the Internet Encyclopedia of Philosophy. He earned a B.A. in physics from Harvard University in 1961, an M.A. in history and philosophy of science from Indiana University in 1965 and a Ph.D. in history of philosophy of science in 1971 also from Indiana University. He uses the term physical law to mean the laws of nature as they truly are and not as they are inferred and described in the practice of science.
Document 14: Arthur Linton Corbin: Arthur Linton Corbin (October 17, 1874 – May 1, 1967) was a professor at Yale Law School and a scholar of contract law. He helped to develop the philosophy of law known as legal realism, and wrote one of the most celebrated legal treatises of the Twentieth century, "Corbin on Contracts".
Document 15: Arthur Allen Leff: Arthur Allen Leff (1935–1981) was a professor of law at Yale Law School who is best known for a series of articles examining whether there is such a thing as a normative law or morality. Leff answers this question in the negative and follows the consequences to their logical conclusions.
ground_truth: 1843
sub_queries: Arthur Allen Leff >> employer Answer: Yale Law School
When was Yale Law School created? Answer: 1843