(Just in case anyone's using a screen reader)

Image Transcription:

[Three identical stock photo images of a smiling man with crossed arms in a white labcoat are shown, with the one in the centre being normally sized, and the one on the right being shrunk down to a fraction of the size of the first, so the smaller one's head is just below knee height of the larger. A third copy of the same stock photo has been added to the left of both of these men, enlarged to the point where everything save for his giant legs are outside of the frame. There is text above all three men, transcribed from left to right]

Macrobiologist

Biologist

Microbiologist

^I'm a human volunteer transcribing posts in a format compatible with screen readers, for blind and visually impaired users!^

Perfect