Halahan, Mykola [Галаган, Микола], b 1882 in Trebukhiv, Oster county, Chernihiv gubernia, d ? Political and community leader, publicist. A physicist by profession, Halahan was a member (1903–5) of the Revolutionary Ukrainian party and then of Spilka. In 1917 he joined the Ukrainian Social Democratic Workers' party and became a representative of the Central Rada in the Kuban and then in Romania (1918). During the Directory of the Ukrainian National Republic he led the Ukrainian diplomatic mission in Hungary. He immigrated to Vienna, where he headed the Ukrainian Relief Committee, and then to Prague. There he directed the Ukrainian Community Publishing Fund, organized and headed the Ukrainian Civic Committee in Czechoslovakia (1927–39), and taught at the Ukrainian gymnasium. He is the author of memoirs in four volumes (1930), books on social and political themes, and works on physics. After 1945 his fate is unknown.
[This article originally appeared in the Encyclopedia of Ukraine, vol. 2 (1988).]