Joseph Trumpledor was a Zionist leader. He studied dentistry but volunteered for the Russian army, losing an arm during the fighting around Port Arthur in 1905. He settled in Palestine in 1912 and worked with Jabotinsky to establish a Jewish unit to fight with the British against the Turks. Trumpledor went to Russia to
organize pioneer groups to come to Palestine to settle and was killed in the defense of Tel Chai.