A Medical researcher.
Pharmacologist
It's called a Pathologist.
Obviously there is no such person researching cures. Cures are mostly ignored.
A person who finds it hard to sleep is called an insomniac.
researchers
Astronomer
That would be a Biomedical Scientist.
You could call this person extremely lucky.
Oh, dude, that's an easy one. A person who cures animals is called a veterinarian. They basically play doctor for our furry friends. So, next time your pet needs some medical attention, just hit up your local vet and they'll hook them up.
A person who digs up dinosaur bones is called a paleontologist. Paleontologists specialize in the study of prehistoric life through the examination of fossils, including dinosaur bones. They use various techniques such as excavation, analysis, and interpretation of fossils to understand the history of life on Earth.
A person who laughs alone can be called a "solitarian" or simply someone who enjoys their own company and finds joy in their own thoughts.
well modern technology is needed because you might a tool that finds cures or something to store your information in