Hans-Joachim Lang (born 6 August 1951) is a German journalist, historian, and Adjunct Professor of Cultural Anthropology at the Ludwig-Uhland Institute for Empirical Cultural Studies University of Tübingen. Dr. Lang researched and authored the award-winning book Die Namen der Nummern (The Names of the Numbers), published in 2004, which identified all of the victims murdered in the gas chamber of the Natzweiler-Struthof concentration camp for Nazi anatomist August Hirt as part of his plan to create a pseudo-scientific Jewish skeleton collection during World War II.