print email comment close Edward Lorenz, Father of Chaos Theory and Butterfly Effect, Dies at 90 URL: http://web.mit.edu/newsoffice/2008/obit-lorenz-0416.html Description: April 2008 obituary for Edward Lorenz, "an MIT meteorologist who tried to explain why it is so hard to make good weather forecasts and wound up unleashing a scientific revolution called chaos theory [in the 1960s]." His observations "that small differences in a dynamic system such as the atmosphere ... could trigger vast and often unsuspected results" led him to formulate what became known as the butterfly effect. From the Massachusetts Institute of Technology (MIT). Publisher: Massachusetts Institute of Technology (MIT) LII Database Information: Record 25957 created by Maria Brandt on 04/21/2008 Last modification on 04/30/2008 Published: 04/30/2008   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/25957