a male or female that enjoys learning about the Earth and its contents

an observer and does not interfere

a professional sceptic, and as such is obliged to discard theories that cannot be substantiated by experiment

a rigorous advocate of data, fact, observable phenomenon, and is wedded to outcomes not theories or spin

a person who uses observation, experimentation and theory to learn about a subject (Biologists, physicists, chemists, geologists and astronomers are all scientists.)