Hélyette Geman with Prof Fama at MIT for the 75th birthday of Robert Merton"Women in Quantitative Finance", New York, April 2019"Women in Quantitative Finance", London, October 2018Professor Paul Samuelson, Professor Hélyette Geman and Professor Robert Merton at Collège de FranceProfessor Marc Yor and Professor Hélyette Geman at Collège de FranceProfessor Hélyette Geman and Nassim Taleb at the first Bachelier World CongressEntrance of Collège de France