Robert Dennard is the inventor of RAM, although it was known as DRAM when he invented it. DRAM is an acronym for dynamic random access memory.
Dennard first studied electrical engineering at Southern Methodist University and Carnegie Institute of Technology before joining the research division at IBM. He began studying digital circuits, devices, memory, logic and other aspects of microelectronics. The invention for dynamic RAM came in 1967. The technology was so innovative and useful that it is still used as the memory cell in most computers today along with solid state memory drives. Its purpose is to store data, and it is used in computers, mobile phones and other electronic devices that need to store data.