Physicists specializing in optics
Opticians
Ophthalmologists
The people that study ruins are archaeologist.
People who study pathology are called pathologists.
Zoologists.
Sedimentologists.
Hemographers
Zoologist
People who study physiology are called physiologists. They investigate how the body's cells, tissues, and organs function together to maintain health and balance in the body.
pharmacologists
dictoneran
Observant.
Forestologists.
Demographers.