Florence Nightingale
William Playfair
Blaise Pascal
Florence N. David
Dr John Snow
The female physician who pioneered the cohort study.

The female physician who pioneered the cohort study.

Maybe you can infer this one (with a bit of prior knowledge).

Maybe you can infer this one (with a bit of prior knowledge).

Made a cig-nificant discovery.

Made a cig-nificant discovery.

Can you guess which figures we're featuring next?