Question

who created clock ???
explain how and why he created clock

Answer 1

it is created by christiaan huygens
how and why that I don't know

Answer 2

Christiaan Huygens, an inventor, has been credited for the making of a clock. Galileo Galilei and Christiaan Huygens introduced the first pendulum. They thought that it was necessary to keep track of time, and hence, together made the first clock.