Does time begin?
Freeman, T. 2005.  BH 15:43-55. CELD ID 21526

Abstract
This paper consists of three parts: 1. An annotated translation of a letter by Rabbi Menahem Mendel Schneerson, the Lubavitcher Rebbe, on the nature of time 2. An annotated translation of a letter by the Rebbe on relativity 3. An essay by Rabbi Tzvi Freeman explaining the letters and relating them to other writings by the Rebbe