Desmond MacHale (born 28 January 1946) is Emeritus Professor of Mathematics at University College Cork, Ireland. He is an author and speaker on several subjects, including George Boole, lateral thinking puzzles, and humour. He has published over 80 books, some of which have been translated into languages including Danish, Italian, Norwegian, Spanish, German, Korean, and Japanese.Yvonne Cohen (born 15 May 1966) holds a master's degree in mathematics and is a mathematics and history graduate of University College Cork. Practising in Cork as a chartered accountant, this is the second book on George Boole that she has co-authored with Desmond MacHale. She is currently a PhD student in UCC's School of History.

Desmond MacHale (born 28 January 1946) is Emeritus Professor of Mathematics at University College Cork, Ireland. He is an author and speaker on several subjects, including George Boole, lateral thinking puzzles, and humour. He has published over 80 books, some of which have been translated into languages including Danish, Italian, Norwegian, Spanish, German, Korean, and Japanese.Yvonne Cohen (born 15 May 1966) holds a master's degree in mathematics and is a mathematics and history graduate of University College Cork. Practising in Cork as a chartered accountant, this is the second book on George Boole that she has co-authored with Desmond MacHale. She is currently a PhD student in UCC's School of History.