electronic
In the field of mathematics: a mathematicianIn the field of philosophy and fallacies: a logicianIn the field of computers: an electronics engineer
A GeekSee: http://en.wikipedia.org/wiki/Geek"A person who is interested in technology, especially computing and new media. Geeks are adept with computers, and use the term hacker in a positive way, though not all are hackers themselves."
While I have no idea what a "delta person" is, I would expect them to use computers simply because just about anybody uses computers nowadays.
Electrical engineers
you call them genius pewds
A person who studies genealogies is a genealogist.
a person who studies people but not an psychologist
A person who studies organisms is called a biologist.
Tech Person
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
A person who studies poisons is called a toxicologist.
A person who studies the earth is called a geologist.
A person who studies birds is called an ornithologist.
A person who studies birds is called an Ornitholoigst
A person who studies the mind is called a psychologist.
A person who studies theology is called a theologian.