Answer:
correct option is Charles A. Spencer
Explanation:
solution
American Charles A. Spencer is scientific pioneer and inventor
Charles A. Spencer was born in 1813 in the Madison county and he is also known as Americas first microscope maker
since 1840 Charles became known for extraordinary quality of the microscopes . he built microscopes that was capable of magnification by regular light upto 1250 time and with the blue light magnification upto 5000 times
he also create microscope with clearer images than anyone had ever seen before
so correct option is correct option is Charles A. Spencer