Pristera, Alan C., suddenly on April 16, 2013, of Central Islip, 50 years of age. Loving fiance of Georgianna Astacio. Beloved brother of Lori Langella (Michael), and Anthony. Caring uncle of Lindsay and Natalie Langella. Reposing Nolan & Taylor-Howe Funeral Home, 5 Laurel Avenue, Northport Wednesday 7-9 PM. Family and Friends are Welcome to come and share stories of Alan. Donations to smiletrain.org, in Alan's memory would be appreciated.