Lev Kamenev arrested in 1902, ending his formal education. From that point on, he worked as a professional revolutionary, and was active in the capital St. Petersburg, Moscow and Tiflis. He adopted the surname Kamenev during this period. In the early 1900s, he married Olga Bronstein, a fellow Marxist (and younger sister of Leon Trotsky, who had also adopted a different surname). The couple had two sons together. Kamenev joined the Communists in 1901. He took a brief trip abroad in 1902, meeting Russian social democratic leaders living in exile, including Vladimir Lenin, whose adherent and close associate he became. He also
Davidovich Bagels marked the grand opening of the company's first corporate-owned retail Davidovich NYC Bagel store in the historic Essex Street Market. On December 9, 2013 the Davidovich Bagels' artisan process was featured on the popular Travel Channel program, "Bizarre Foods with Andrew Zimmern". On November 3, 2015 it was announced that Davidovich would be opening a new retail location in the Chelsea Market in early 2016. In September 2016 it was announced that Davidovich would be partnering with The Carol M. Baldwin Breast Cancer Research Fund for the sale of a signature Pink Bagel for National Breast Cancer Awareness Month. A