[1] Her father, Edgar Lederer was an internationally renowned bio-chemist of Austrian descent and her mother Hélène Fréchet was French.
[1] Before the Second World War, the family lived in Vienna in Austria, and in Leningrad in the Soviet Union, where her father had a position at the Vitamin institute.
[4] According to the biography of Danica Seleskovitch, this mission marked the start of their collaboration both as interpreters and researchers as well as their life-long friendship.
[4] In 1978, Lederer obtained a doctorate from the University of Paris 4-Sorbonne on Simultaneous translation: Theoretical foundations (La traduction simultanée - Experience et Théorie).
[9] In 1985, she took up a position at the Ecole Supérieure d'Interprètes et de Traducteurs (ESIT) at the University of Paris 3, where she had been teaching since 1969.
[10] Until her retirement in September 2002, she directed the Centre for Research and Translatology at the Université Paris 3 - Sorbonne Nouvelle.