About George William Russell
George William Russell, who wrote with the pseudonym Æ, was an Irish writer, editor, critic, poet, painter and Irish nationalist. He was also a writer on mysticism, and a central figure in the group of devotees of theosophy which met in Dublin for many years. He became involved in the anti-partition Irish Dominion League when Plunkett founded the body in 1919. Yeats suggested Russell, who became Assistant Secretary of the IAOS.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.