Answer:
The person responsible for the microscope is Van Leeuwenhoek.
Step-by-step explanation:
Galileo invented telescope in the year of 1609.He was an astronomer, engineer and physicist who had important contributed to the branch of hydro-statics, mechanics , astronomy etc.
Van Leeuwenhoek design single celled microscopes to study micro-organism. And contributed quality research work in field of microbiology.
Edison invented incandescent electrical light bulb , phonographs etc.
Newcomen is an English inventor who invented atmospheric engine that actual fuel burning engine in 1712.