Ivan Puluj
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Ivan Pavlovych Puluj was a Ukrainian physicist and inventor known for his early research into X-rays. His contributions were largely neglected until the end of the 20th century.
Ukrainian Postal stamp. 150 years born Ivan Puluj, 1995
Vasyl Barvinsky
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Vasyl Oleksandrovych Barvinsky was a Ukrainian composer, pianist, conductor, teacher, musicologist, and music related social figure.
Barvinsky in 1920
Composer Joseph Beer ca. 1926 with Vasyl Barvinsky (right)