"Ivan Puluj (son of Pavlo Puluj and Xenia née Burshtynsky Ukrainian: Іва́н Пулю́й, син Павла́ Пулю́я i Ксенiї, ур. Бурштинської, pronounced [iˈwɑn pʊˈlʲuj]; German: Johann Puluj; 2 February 1845 – 31 January 1918) was a Ukrainian physicist and inventor, who has been championed as an early developer of the use of X-rays for medical imaging. His contributions were largely neglected until the end of the 20th century." - (en.wikipedia.org 31.10.2023)