Frits Zernike
Frederik "Frits" Zernike (Dutch: [frɪt ˈsɛrnikə]; 16 July 1888 – 10 March 1966) was a Dutch physicist who received the Nobel Prize in Physics in 1953 for his invention of the phase-contrast microscope. == Early life and education == Frederik Zernike was born on 16 July 1888 in Amsterdam, the second son of Carl Frederik August Zernike and Antje Dieperink.