Peter Humphries Clark (March 29, 1829 – June 21, 1925) was one of Ohio's most effective black abolitionist writers and speakers.
 He became the first teacher engaged by the Cincinnati black public schools in 1849, and the founder and principal of Ohio's first public high school for black students in 1866.
 Because of these accomplishments, he was named the nation’s primary black public school educator.
 Clark is also remembered as the first African-American socialist in the United States, running for Congress in 1878 under the banner of the Socialist Labor Party of America.
Fayetteville State University (FSU) is a historically black public regional university in Fayetteville, North Carolina, United States.
 FSU is part of the University of North Carolina System and the Thurgood Marshall College Fund.
The University of Hagen (German: "FernUniversität in Hagen" , informally often referred to as FU Hagen) is a public research university that is primarily focused on distance teaching.
 While its main campus is located in Hagen, North Rhine-Westphalia, Germany, the university maintains more than 50 study and research centers in Germany and throughout Europe.
 According to the Federal Statistical Office of Germany it is Germany's largest university.
 The university was founded in 1974 as a public research university by the state Nordrhein-Westfalen and began its research and teaching activities in 1975.
 It was founded following the idea of UK's Open University to provide higher and continuing education opportunities through a distance education system in Germany.
West Virginia State University (WVSU) was founded as a historically black public university in Institute, West Virginia, United States.
 In the Charleston-metro area, the school is usually referred to simply as "State" or "West Virginia State".
 It was one of the original group of African American land-grant colleges established by the second Morrill Act of 1890 and is the smallest land-grant institution in the country.
 African-American students currently comprise the minority of attending students.
 The University is a member-school of the Thurgood Marshall College Fund.
Harold L. Martin Sr.
 Ph.D. (born October 22, 1951) is an American engineer, educator and former, and current Chancellor of Winston-Salem State and North Carolina Agricultural and Technical State University respectively.
 He is the first alumnus in the history of North Carolina A&T to hold the position of Chancellor.
Winston-Salem State University (WSSU), a constituent institution of the University of North Carolina, is a historically black public research university located in Winston-Salem, North Carolina, United States.
 It is a member-school of the Thurgood Marshall College Fund.
 WSSU is an accredited university offering baccalaureate and graduate programs to a diverse student population.
The Karlsruhe Institute of Technology (KIT) (German: "Karlsruher Institut für Technologie" ) is a public research university and one of the largest research and education institutions in Germany.
 KIT was created in 2009 when the University of Karlsruhe ("Universität Karlsruhe"), founded in 1825 as public research university and also known as "Fridericiana", merged with the Karlsruhe Research Center Forschungszentrum Karlsruhe, which was originally established as a national nuclear research center (Kernforschungszentrum Karlsruhe, or KfK) in 1956.
Virginia State University (VSU), also known as Virginia State, is a historically black public land-grant university located north of the Appomattox River in Petersburg.
 Founded on  06, 1882 (1882--) , Virginia State developed as the United States's first fully state-supported four-year institution of higher learning for black Americans.
 The university is a member school of the Thurgood Marshall College Fund.
Florida Agricultural and Mechanical University, commonly known as FAMU, is a public, historically black university in Tallahassee, Florida, United States.
 Florida A&M University was founded on the highest of seven hills in Tallahassee, Florida on October 3, 1887.
 It is one of the largest historically black universities in the United States by enrollment and the only public historically black university in Florida.
 It is a member institution of the State University System of Florida, as well as one of the state's land grant universities, and is accredited to award baccalaureate, master's and doctoral degrees by the Commission on Colleges of the Southern Association of Colleges and Schools.
 The university is a member-school of the Thurgood Marshall College Fund.
Lincoln University is a historically black public land-grant university and located in Jefferson City, Missouri.
 In 2007, it was ranked #3 for economic diversity, #5 for campus ethnic diversity, and #9 for most international students according to "U.S. News & World Report" rankings of master's-level universities in the Midwest.
 Founded in 1866 by African-American veterans of the American Civil War, it is a member-school of the Thurgood Marshall College Fund.

Question: Harold L. Martin was chancellor of which historically black public research university?
Answer: Winston-Salem State University