Joe, Dr Tishman has retired I have found out but his son has taken over the practice. I have not yet been able to track him down. Also I am trying to get hold of my aunt who purchased a Klingensmith history book a few years ago. I want to order one myself.And to put the info out there for all of our family. I will try to do this in a timely manner. But this time of year everyone is travelling. Hope everyone has a Happy Holiday season.