Portrait of middle aged male Caucasian scientist sitting in wheelchair at desk looking at probe in microscope in laboratory at daytime
Tilt closeup of male scientist sitting at desk adjusting microscope and looking at probe in laboratory at daytime
NEW
Middle aged male scientist in protective mask looking into a microscope, conducting an experiment in Laboratory of reproductive clinic.
NEW
Side view of middle aged male Research scientist in protective mask looking into a microscope, conducting an experiment.
Arc closeup shot of middle aged male Caucasian professor sitting at desk looking at probe in microscope talking to Biracial female colleague
Male scientist doing microscope research. Man scientist looking microscope. Lab scientist using lab microscope. Laboratory research microscope. Laboratory scientist working