Someone who creates theories is typically referred to as a theorist. Theorists develop frameworks or explanations for phenomena based on observation, experimentation, and analysis. They can be found in various fields, including science, philosophy, and Social Sciences, where they contribute to the understanding of complex ideas and concepts.
hacker
because it is their explanation not someone elses
Scientists call theories that explain all the evidence and are widely accepted by the scientific community "well-established theories" or "well-supported theories." These theories are based on a large body of evidence and have withstood rigorous testing and scrutiny.
A person who believes they are sick or even creates illnesses, is often called a hypochondriac.
Graphic Designer is someone (or company) that creates labels and logos - depending on the requirements of their customers.
A webmaster means someone who creates a website.
Phoebe: maybe if they love to do art they are an artist if the just like to look at it maybe an art lover?
the laws of motion
a person who creates games is called a game designer
The theories of music you refer to are the many sets of rules and facts in music that together make what we call Music Theory.
Someone who creates maps or charts.
A creater is someone who creates something