purposeful experienced chemist in protective mask and uniform working with chemical liquids in evening lab
Dedicated blonde doctor finding peace in medical workroom
Good-looking serious hardworking skilled african american male chemist in uniform and medical gloves conducting experiment with chemical liquids at late time in laboratory
Likable hardworking qualified bearded scientist in white coat viewing samples through microscope in evening lab and entering results into paper report,slow motion
positive high-skilled bearded chemist in white coat learning samples under microscope in evening lab and looking into camera with friendly face expression