Daniel Paul Siewiorek

Designer or co-designer of nine multiprocessor systems and a key contributor to the dependability design of over two dozen commercial computing systems, Siewiorek has served as the Buhl University Professor of Electrical...

Charles Xavier Thomas

Known for designing and patenting the first mechanical calculator, Thomas introduced the Arithmometer in 1820, though more than thirty years passed before its true commercialization in 1852, as he spent that intervening...

Michelle Simmons

Named Australian of the Year in January 2018 for her work and dedication to quantum information science, Simmons is an Australian quantum physicist recognized for her foundational contributions to the field of...

C. Denis Mee

Founder of IBM's Magnetic Recording Institute (MRI), Mee is a key technologist and pioneer in the hard drive industry. He joined IBM in 1962 at Yorktown Heights, NY as a research staff...

Rajiv Gupta

Co-inventor and general manager of Hewlett Packard's E-speak project, Gupta also contributed as one of the developers of the IA-64 architecture. An IIT Kharagpur alumnus, Gupta received his Ph.D. in compiler optimization...

Paolo A. Gargini

Developer of the building blocks of HMOS III and CHMOS III technologies used in the 1980s for the 80286 and the 80386 processors, Gargini has served as Director of Technology Strategy and...

Julian Bigelow

Builder of one of the first true stored-program digital computers, Bigelow transformed the course of computing history. He obtained a master's degree at the Massachusetts Institute of Technology, studying electrical engineering and...

Steven R. Hetzler

Initiator and namer of iSCSI within IBM Research, Hetzler is recognized for his role in developing an Internet Protocol (IP)-based storage networking standard for linking data storage facilities. He initiated work on...

Alec N. Broers

Pioneer of nanotechnology, Broers developed the first man-made nanostructures in materials suitable for microelectronic circuits, opening up the possibility for the extreme miniaturization of electronic circuits. An Anglo-Australian electrical engineer, Broers was born...

Renato Recio

Founding engineer and author of several IO and Network industry standards that have dramatically simplified the way virtualized data centers operate, Recio is a 2011 IBM Fellow—the highest honor a scientist, engineer,...

Peter Andreas Grunberg

Peter Andreas Grunberg discovered the Giant Magnetoresistance (GMR) effect, which is the basis of all modern magnetic read/write heads. He received the 2007 Nobel Prize in Physics for this groundbreaking contribution.

Dave Boggs

Co-inventor of Ethernet and developer of early Internet protocol prototypes, Boggs helped shape the foundations of modern computer networking. David graduated from Princeton University, and as a young graduate worked at Xerox PARC,...

George F. Daly

Co-developer of the IBM 285 and 297 series accounting machines and co-inventor of the automatic multiplying machines known as Types 600 and 601, Daly was a pivotal figure in IBM's early engineering...

Reona (Leo) Esaki

Inventor of the Esaki tunnel diode, the first quantum electron device, Esaki shared the Nobel Prize in Physics in 1973 with Ivar Giaever and Brian David Josephson for his discovery of the...

Heinrich Rohrer

Co-designer of the scanning tunneling microscope (STM), Rohrer shared half of the 1986 Nobel Prize in Physics with Gerd Binnig for this invention; the other half of the Prize was awarded to...

Wallace John Eckert

A part of the creation of the research division of IBM, Eckert directed the Thomas J. Watson Astronomical Computing Bureau at Columbia University, which evolved into that division.

Subramanian (Subu) Iyer

Pioneer in the development and implementation of embedded DRAM (eDRAM) technology used in IBM systems ranging from high-end servers to BlueGene supercomputers to game chips, Iyer has served as IBM Fellow and...

C. Gordon Bell

Computer hardware designer of DEC's PDP machines and the VAX, Bell was a pioneering computer engineer and manager. An early employee of Digital Equipment Corporation (DEC) from 1960–1966, Bell designed several of...

Nicholas (Nick) M. Donofrio

Leader of IBM's technology and innovation strategies, Donofrio served as Executive Vice President of Innovation and Technology at IBM from 1997 until his retirement in October 2008. Born in Beacon, New York,...

John (Jack) Clemens

Pioneer in the development of random access disk storage, Clemens was part of the IBM team that developed the RAMAC and is sometimes considered to be among those who "built" Silicon Valley....