The sweep of family history across the generations
Rosa Ringel married Pinkas Twiasschor in a borough of London in January 1911, at the same time that Twiasschor's sister wed another Berlin businessman. What was that all about?
Stan's Mathematica notebooks document his later work and speculations
Amid the chaos of the Nazi period, the Zionist school in Charlottenburg taught skills and values that lasted a lifetime
After the war, Joe Liebman came back to Paris with a glamorous new wife. Oh, what a life they led
Two young Berliners make a modern marriage—with lasting consequences
Stan's innovations in Mossbauer spectroscopy.
Seymour, also called Samuel, was partly estranged from the family. He worked as a truant officer in the New York City schools. His daughter Harriet Berkowitz discovered our blog and contributed a trove of precious documents.
Watching Sputnik at night from our back yard in a suburb of Pittsburgh is one of my earliest memories.
Home from the war, Stan Ruby was a graduate student in physics at Columbia University. Helga Ringel was a smart, pretty war refugee from Berlin
A surprising artifact discovered after a parent's death leads to a series of discoveries and a new pastime in genealogy
How and why did Stan Ruby's important post-graduate research go wrong, and what impact did it have on his career in physics?
Stanley Ruby entered the public debate over nuclear missile technology in 1968-69.
Meta, Blossom and Sadie
Our family’s amazing year of discovery and connection
In 1912, Isaak and Betty Wohlgemuth moved to the German capital and settled in Weißensee, where their two daughters came of marriageable age
Joseph Rabinowitz’s mother was Bertha Yesersky. Was she related to Sora Yesersky, the wife of Rabbi Elchanon Spektor?
During the course of my genealogy work, I have discovered and connected with cousins from all my family branches. Here are some lessons learned.
The Ringel sisters, Betty Twiasschor and Rosa Schattner, lived with their children in adjacent apartments on Lothringerstraße.