Heike Kamerlingh Onnes
21 September 1853 — 21 February 1926
Heike Kamerlingh Onnes was a Dutch experimental physicist who became the first to liquefy helium, cooling it to near 1.5 kelvin (K). For this work, he was awarded the Nobel Prize in Physics in 1913.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates -21, 9.