Bukharin (hands clasped) and Lenin (far right), at the Presidium of the Ninth Communist Party Congress in 1920, Mikhail Tomskii seated to B’s left, Lev Kamenev (with glasses) at center, and Rykov in forefront Published May 1, 2015 at 2823 × 1823 in Nikolai Bukharin on the criterion of practice in epistemology ← Previous Next → With lightning telegrams:FacebookTwitterTumblrMoreRedditPinterestLike this:Like Loading...