Mayan calendar exhibit from Arnošt Dittrich´s personal papers
Pavel Andrle (*1936, +1991) - astronomer, 18 boxes, 1960s-1980s, unarranged
Arnošt Dittrich (*1878, +1959) - astronomer, 1 box, 1910-1943, inventory
Vladimír Guth (*1905, +1980) - astronomer, 17 boxes + 4 cases, cca 1905-1970s, unarranged
Vladimír Václav Heinrich (*1884, +1965) - astronomer, 23 boxes, 1896 - 1964, inventory (for 19 boxes)
Josef Klepešta (*1895, +1976) - astronomer, 1 box, 1910-1976, inventory
Václav Láska - geophysicist, also astronomer and mathematician
František Link (*1906, +1984) - astronomer, astrophysicist , particularly interested in lunar eclipses, heliophysics, research into high altitudes of the Earth's atmosphere, stellar astronomy and radioastronomy, a notable popularizer, died in emigration in Paris where he had taken refuge after 1968. 12 boxes, 1930s-1960s, inventory
Otto Seydl (*1884, +1959) -astronomer, 13 boxes, 1919-1958, inventory list
August Seydler (*1849, +1891) - astronomer and physicist, 2 boxes, 1866-1949, inventory
Vojtěch Šafařík (*1831, +1902) - astronomer and chemist, 3 boxes, 1831 - 1961, inventory
Bohumil Šternberk (*1897, +1983) - astronomer, founder of the modern time-reporting service in Czechoslovakia, also engaged in astrophysics, astronomical optics and comets, a notable popularizer of astronomy, 1954 - 1968 Director of the CSAS Astronomical Institute, 9 boxes, 1916-1983, inventory