Alexander Kusko, of Westwood, formerly of Weston and Falmouth on Tuesday, February 12, 2013. Beloved husband of the late Isadora (Sloan). Loving father of Andrea Kusko & Frederick Humphreys of Washington, DC and Jonathan & Karen Kusko of Williamstown, MA. Dear brother of the late George Kusko. Cherished friend of Charlotte Eskin of Chestnut Hill. Private funeral services will be held. Remembrances may be made to the Joslin Diabetes Center, One Joslin Place, Boston, MA 02215