By A Mystery Man Writer
Melissa Merryman (@PolkadotCzech) / X
Final goodbye: Recalling influential people who died in 2019
Jerry Merryman, 'Brilliant' Man Who Invented Calculator, Dies
Jerry Merryman, the man who helped invent the hand-held calculator
Final goodbye: Recalling influential people who died in 2019
ISRM Slide Rule Who's Who Past and Present
Who invented the electronic calculator? - Quora
Jerry Merryman, Inventor of the Pocket Calculator, Dies at 86
Notable Deaths 2019: Science and Technology - The New York Times
Jack Kilby - Wikipedia