OSBORNE, Professor Louis Shreve Of Lexington on Sunday, January 22, 2012. Beloved husband of Barbara (Schiller). Devoted father of Marc Osborne, Brian Osborne & his wife Isabelle, and Duncan Osborne. Beloved step-father of Michael Schmertzler and his wife Kuni, Amy Anisimov & her husband Nicholas. Loving grandfather of Sami Osborne, Luca Osborne, Ian Schmertzler, Ethan Schmertzler, and Jennie Anisimov. Dear brother of Isabelle Shaw and Christine Kalapothakis. Also survived by two nieces Alexandra and Marjorie. A Memorial service is being planned at M.I.T., at a date to be announced.