Luboš Perek
Luboš Perek ( 26 July 1919 – 17 September 2020 ) was a Czech astronomer best known for his "Catalogue of Galactic Planetary Nebulae" co-written in 1967 with Luboš Kohoutek . 
<triplet> Luboš Perek <subj> 26 July 1919 <obj> date of birth <subj> 17 September 2020 <obj> date of death