Thomas Lyle was born in Coleraine, County Londonderry, and was educated at Trinity College, Dublin, where he was 100 yards sprinting champion and an international rugby player. He made important contributions to theories of transformers and alternators and was a pioneer in using the operator 'j' in alternating current theory. He became Professor of Natural Philosophy at the University of Melbourne and held many public appointments in Australia. He received a knighthood.

Born:	c.1857
Died:	1944