Electromagnetic wave was discovered by Heinrich Rudolf Hertz. He was?

Iodine was discovered by:

Vitamins were discovered by

Electrons were discovered by

Carbon dioxide was discovered by

Who discovered the laws of thermodynamics?

Who discovered the Polio Vaccine?

Diesel engine was discovered by

Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?

The Saturn rings discovered by