Jens Frederik Hansen, born 1962, is a B.A. in law from Copenhagen (1987), Diploma of Legal Studies (Cambridge) (1989) and cand. jur. from Copenhagen 1990. He is the author of an extensive historical account of Danish housing policy published (in Danish) by the National Archives of the Kingdom of Denmark in its Commercial History Yearbook, (https://tidsskrift.dk/eaa/article/view/135332/180118), and the present work is a new version of that for an English language audience. He worked as an attorney until 2010. His email address is jenshansen@jenshansen.dk.