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Estonian politician (1894–1982)
Voldemar Hammer (also Vladimir Hammer; since 1922 Kallas-Gammer; 8 June 1894 Tallinn – 23 May 1982 Leningrad) was an Estonian politician. He was a member of Estonian Constituent Assembly. On 30 June 1919, he resigned his position and he was replaced by Jakob Mikiver.
