Gene Amdahl

Gene Myron Amdahl (November 16, 1922 – November 10, 2015) was an American computer architect and high-tech entrepreneur. He was known for his work on mainframe computers at IBM alongside Fred Brooks and Gerrit Blaauw and later his own companies, especially Amdahl Corporation. He formulated Amdahl's law, which states a fundamental limitation of parallel computing.
In 1998, he was made a Fellow of the Computer History Museum "for his fundamental work in computer architecture and design, project management, and leadership."
Amdahl died of pneumonia after suffering from Alzheimer's disease during the last years of his life in Palo Alto, California, aged 92.