Maurice Conradi

Maurice Conradi Russian: Морис Морисович Конради (16 June 1896, in Sankt Petersburg − 7 February 1947, in Chur,Switzerland), a Russian White movement officer, fought in World War I and Civil War in Russia, in 1923 killed Vatslav Vorovsky, member of Bolshevik delegation to Lausanne conference.

Conradi was born in Saint Petersburg in a family of Swiss businessmen, owners of a chocolate factory established in 1853 by Conradi's grandfather. During the Bolshevik Revolution most of his family was killed: his father was executed in Saint Petersburg on 26 November 1919, his brother Victor taken hostage and executed in 1918, two further siblings disappeared during the Red Terror. After the unsuccessful campaign of the Wrangel Army he moved to Switzerland, radicalized against the Bolshevik government and planning revenge.

In April 1923 Conradi attempted an assassination of Bolshevik foreign affairs commisar Georgy Chicherin while he visited Germany, but unable to find him he returned to Geneva. Finding out about the upcoming conference, he planned another assassination. Vatslav Vorovsky, Ivan Ariens and Maxim Divilkovsky were delegates of the Bolshevik government to the 1923 Conference of Lausanne. On 10 May 1923 Conradi and his companion Arkady Polunin (Аркадий Павлович Полунин) entered the cafe "Cecile", shooting the Bolshevik delegation. Vorovsky was killed at the scene, Ariens and Divilkovsky wounded, but survived.

...
Wikipedia