Edward B. Roberts ’58, SM ’58, SM ’60, PhD ’62, a visionary management professor who studied entrepreneurship while building a flourishing innovation ecosystem at MIT, died on Tuesday. He was 88 years old. Over a remarkable seven-decade career at the Institute, Roberts was a prolific scholar and mentor who founded what is now the Martin Trust Center for MIT Entrepreneurship, a unique resource that has guided thousands of innovators as they have brought inventions and ideas to the market. Roberts, the David Sarnoff Professor of Management of Technology at the…