The Greatest Inventor of All Time (image) Lemelson-MIT Program Share Print E-Mail Caption The 2012 Lemelson-MIT Invention Index asked young adults ages 16-25 to identify the greatest innovator of all time. Credit The 2012 Lemelson-MIT Invention Index includes a national survey sample of 1,010 young adults. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.