"Politically he was a 'Kadet' ie. a member of the Konstitutsionno-demokraticheskaya partiya), later renamed more aptly the party of the People's Freedom "
Founded in 1905, the Constitutionalist Democratic Party
was a liberal political party led by historian Pavel Miliukov
and made up mostly of professionals such as university professors, lawyers and industrialists. After the Bolshevik victory in the 1917 Revolution, most of the party's leadership was forced to emigrate to Europe. Nabokov's father, Vladimir Dmitrievich Nabokov was a lawyer himself, and died taking the assassin's bullet designated for Miliukov in Berlin in 1922.