Lichenologist
A Mycologist studies fungi.
virologist
there called a horticulturalist ...
A person who studies nuts is known as a botanist. Botanists are experts who mainly study plants and their structural adaptations.
A person who studies life scientifically is called a biologist.
A person who studies genealogies is a genealogist.
a person that studies gems is called a gemologist.
a person who studies people but not an psychologist
what do you call somebody who studies snails.
A person that studies animals is called a Zoologist.
A sociologist is a person who studies sociology.
A person who studies birds is called an ornithologist.
A person who studies birds is called an Ornitholoigst
The study is paleontology so I think a person who studies it is a paleontologist.
A person who studies the aging process is called a gerontologist.
A person who studies medicine is called a medical student.
Johan Santesson has written: 'Chemical studies on lichens' -- subject(s): Analysis, Lichens