Across artificial intelligence, climate change, food safety, transport and communication, the fields of STEM (science, technology, engineering and mathematics) are integral to modern society. Through a selection of 46 lives from the Dictionary of Irish Biography, this book brings together natural philosophers, mathematicians, engineers, particle physicists, code breakers and many more. Celebrating the diversity of STEM in Ireland, from the development of the 'scientific method' in the circle surrounding Robert Boyle through to the large-scale particle physics experiments undertaken by John Stewart Bell and Anne Kernan at CERN, Irish STEM Lives traces the evolution of the pursuit of knowledge over the past four centuries. The Dictionary of IrishBiography is a project of theRoyal Irish Academy. It tellsthe island's life story throughthe biographies, at home andoverseas, of prominent menand women born in Ireland,north and south, and thenoteworthy Irish careers ofthose born outside Ireland. The online edition of theDictionary of Irish Biographynow features nearly 11,000lives and continues to grow. dib.ie