Impossible to say. Such inventions pre-date written history
i dont now how old he was but his first invention was the phonograph made in 1877
the television
Number 0, without which No other inventions are possible.
mouse
glasses
There have been and still are, many Indian mathematicians who have made significant contributions.
made computer made computer
He made many plans and many tries but finally in 1986 he made is very first invention!
18
402
The invention of the microscope made it possible to see cells for the first time. The first compound microscope was developed in the late 16th century, allowing scientists to observe and study cells and microorganisms in greater detail.
Edison's first great invention was the tin foil phonograph made in Menlo Park on August 12, 1877