If you mean Alan Shugart, then it was the floppy disk. An 8 inch inexpensive disk with a capacity of 80,000 bytes used for loading System/370 microcode.
A few years later Alan left IBM to start his own floppy company, making many improvements both increasing storage capacity and reducing size.
Floppy disk
He did not invent the home computer. IBM did.
No, 3-M did.
punch card
matthew roberts
Alan Turing
it was introduced in 1971
No. Alan Kay at Xerox PARC "invented" the laptop. However, IBM was the first company to release a laptop computer, and Radio Shack was the first company to release one that sold in any great numbers.
Alan Hoenig has written: 'WordStar for the IBM PC and compatible computers' -- subject(s): IBM Personal Computer, IBM compatible computers, Programming, Word processing, WordStar (Computer file) 'Introduction to Microsoft Word for the IBM Personal Computer' 'Microsoft Word for the Macintosh' -- subject(s): Macintosh (Computer), Microsoft Word, Programming, Word processing
Mark E Dean is a computer scientist and he invented the IBM computers
i think OPIUM and IBM
David Bradley was one of 12 engineers that worked on the original IBM personal computer.