Claim: Sinaida Rosenthal obtained her habilitation at Humboldt University, a public research university in Berlin, Germany, for her dissertation entitled "On the Mechanism of Ribosome breakdown in Rabbit Reticulocytes," before becoming a professor of Physiology and Biology.
Evidence: On this occasion her dissertation was entitled "On the Mechanism of Ribosome break down in Rabbit Reticulocytes" (" Über den Mechanismus des Ribosomenabbaus von Kaninchenretikulozyten"). Humboldt University of Berlin (German: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a public research university in the central borough of Mitte in Berlin, Germany. In 1969, still at the Humboldt, she was appointed Professor for Physiology and Biology.