Geneva : The " Big Four " pose together during the reception given in their hour by Swiss President Max Petitpierre. I Front ( left to Right ) are : Nikita Khrushchev , First Secretary of the Soviet Communist Party , British Prime Minister Sir Anthony Eden ; French Foreign Minister Antoine Pinay ; Soviet Prime Minister Nikola Bulganin , unidentified ; President Eisenhower , and Miss Frances E . Willis , The United States Ambassador to Geneva , whose position qualified her to be the only women guest . The function was held at the Eynard Palace . 22 July 1955