DRAM inventor Robert H. Dennard, who also devised a concept known as Dennard scaling that was complementary to Moore’s Law, died on April 23 at age 91 (Steve Lohr/New York Times)

Steve Lohr / New York Times:
DRAM inventor Robert H. Dennard, who also devised a concept known as Dennard scaling that was complementary to Moore's Law, died on April 23 at age 91  —  He invented DRAM, the technology that allowed for the faster and higher-capacity memory storage that is the basis for modern computing.