Ivan Puluj

Son of Pavlo Puluj and Xenia née Burshtynska (Ukrainian: син Павла́ Пулю́я i Ксенiї ур.

In 1876 Pului finished his doctorate on internal friction in gases at the University of Strasbourg under supervision of August Kundt.

[1] Puluj also worked as a state adviser on electrical engineering for Bohemian and Moravian local governments.

Puluj did gain some recognition when the work was translated and published as a book by the Royal Society in the UK.

He is particularly noted[citation needed] for inventing a device for determining the mechanical equivalent of heat that was exhibited at the Exposition Universelle, Paris, 1878.

Cathode ray tube #12, Ivan Puluj design, ca 1896
Puluj's apparatus for determining the mechanical equivalent of heat
Ukrainian Postal stamp . 150 years born Ivan Puluj, 1995