Someone who studies waves is called a wave scientist or a wave physicist. They specialize in the interaction, behavior, and properties of different types of waves, such as sound waves, light waves, and ocean waves.
An individual who studies electricity is typically referred to as an electrical engineer or an electrician, depending on their focus and specialization within the field.
A physicist studies motion, forces, and energy to explain the way things work.
A person who studies magnets is called a magnetologist or a physicist specializing in magnetism. They explore the properties, behavior, and applications of magnets in various fields of science and technology.
An electrician.
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
A numismatist.
A Zoologist
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A Technologist. :)