Jacob Clay

After attending the Erasmiaans Gymnasium, he studied physics at the University of Leiden under Heike Kamerlingh Onnes and Hendrik Antoon Lorentz.

After teaching in Leiden and at the Technische Hogeschool in Delft from 1906 to 1920, he was appointed Professor at the newly founded Bandung Institute of Technology.

Clay collaborated with his wife Tettje Clay-Jolles on research which discovered that atmospheric radiation varies according to geographic latitude.

[3] In 1928 he became correspondent of the Royal Netherlands Academy of Arts and Sciences, he resigned a year later.

In 1920, the family moved to Bandung, Java when Jacob Clay was hired as a professor of physics at the Institute of Technology.