Ключевые слова: adult, african, afro, back, background, chemistry, coat, curly, doctor, doodles, drawing, formula, frizzy, hair, hairstyle, hand drawn, health, idea, isolated, knowledge, laboratory, male, man, marker, medical, medicine, molecule, person, physician, practitioner, profession, professional, research, science, scientist, scribble, solution, standing, stethoscope, structure, student, study, symbol, teacher, uniform, virtual, white, whiteboard, writing, young,