Inge Lehmann (1888-1993)

Discovered the inner core of the earth.

Pioneered study of the physics of surface films.

Agnes Pockels (1862-1935)

Kathleen Yardley Lonsdale (1903-1971)

" ... a profound influence on the development of X-ray crystallography and related fields in chemistry and physics. Very few have made so many important advances in so many different directions." Found the planar hexagonal structure of benzene.