Laurent Chuat is a postdoctoral researcher in the Network Security Group at ETH Zurich, where most of his research focuses on authentication and public-key infrastructures. He obtained his PhD in computer science from ETH Zurich in 2020 and co-authored the book "SCION: A Secure Internet Architecture."
Markus Legner is a senior researcher and lecturer in the Network Security Group, where he is conducting research on the design and verification of security protocols. He holds a Bachelor's degree in computer science from ETH Zurich as well as a doctorate in theoretical physics.

David Basin is a professor of computer science at ETH Zurich and was head of the department from 2019 to 2020. David received his PhD in computer science from Cornell University in 1989 and his Habilitation in computer science from the University of Saarbrücken in 1996. From 1997 to 2002, he held the Chair of Software Engineering at the University of Freiburg in Germany. He is the founding director of the Zurich Information Security Center (ZISC).

David Hausheer is a professor at the Faculty of Computer Science at Otto von Guericke University Magdeburg, where he leads the Networks and Distributed Systems Lab. He received his degree in electrical engineering from ETH Zurich in 2001. Since 2001, he participated in numerous European Union projects. He obtained his PhD in 2005 and was then employed as a senior researcher and lecturer in the Department of Informatics (IFI) at the University of Zurich.

Samuel Hitz holds a Master's degree in computer science from ETH Zurich and is the current CTO and previous CEO of Anapaya, which he co-founded with Adrian Perrig, David Basin, and Peter Müller. He has worked on the implementation of SCION and, together with Anapaya's customers, on the real-world deployment and operation of an enterprise-oriented SCION network.

Peter Müller has been a professor of computer science at ETH Zurich since 2008. Before joining ETH Zurich, he worked as an IT project manager at Deutsche Bank in Frankfurt and held a position as researcher at Microsoft Research. Peter Müller is working on programming languages, methods, and tools with the goal of enabling programmers to develop correct software.

Adrian Perrig is a professor at the Department of Computer Science at ETH Zurich, where he leads the Network Security Group. He is also an adjunct professor of electrical and computer engineering at Carnegie Mellon University. From 2007 to 2012, he served as the technical director for Carnegie Mellon's CyLab. During that time, he led a research project aimed at building a next-generation Internet architecture, which was later renamed SCION.

Vorwort.- Vorgeschichte und Alte Hochkulturen seit ca.2200 [...]. (Plätze, Plattformen und Türme).- Stonehenge: Steinkreis seit ca.2200 [...]..- Alexandria: Leuchtturm ca. 300-279 [...]..- Capri: Specularium ca. 30 [...]..- Monte Albán: Tempel J ca. 250 [...]..- Palenque: Turm des großen Palastes ca. 780 [...]..- Chichén Itzá: Caracol seit ca. 800 [...]..- Machu Picchu: Intihuatana ca. 1450.- Kyongju: Chomsong-dae ca. 640.- Samarkand: Sternwarte des Ulugh Beg 1424-1429.- Peking: Kaiserliche Sternwarte 1673-1676.- Delhi: Yantar Mantar 1719-1724.- Jaipur: Yantar Mantar 1728-1734.- Zeit der Renaissance und des Frühen Barock ca. 1500-1700 (Verschiedene Formen).- Nürnberg: Albrecht-Dürer-Haus 1502.- Kassel: Landgrafenschloß ca. 1560.- Insel Hven: Uranienburg 1576-1581.- Vatikanstadt: Turm der Winde 1576-1579.- Kopenhagen: Runder Turm 1637-1642.- Paris: Königliche Sternwarte 1667-1672.- Greenwich: Königliche Sternwarte 1675-1676.- Zeit des Späten Barock ca. 1700-1785 (In der Regel Turmform).- Berlin: Akademie-Sternwarte 1700-1711.- Bologna: Universitäts-Sternwarte 1712-1725.- St. Petersburg/Leningrad: Akademie-Sternwarte 1718-1734.- Prag: Jesuiten-Sternwarte 1721-1723.- Breslau: Jesuiten-Sternwarte 1728-1733.- Kremsmünster: Benediktiner-Sternwarte 1748-1758.- Mannheim: Jesuieten-Sternwarte 1772-1774.- Oxford: Radcliffe-Observatorium 1772-1778.- Kassel: Zwehrenturm 1779-1785.- Zeit des Klassizismus ca. 1785-1840 (Meist niedrig und langgestreckt).- Dublin: Dunsink-Observatorium 1783-1785.- Göttingen: Universitäts-Sternwarte 1803-1816.- Neapel: Königliche Sternwarte 1812-1820.- Edinburgh: Städtische Sternwarte 1818-1824.- Kapstadt: Königliche Sternwarte 1820-1828.- Helsinki: Universitäts-Sternwarte1831-1834.- Berlin: Königliche Sternwarte 1832-1835.- Pulkowo: Haupt-Sternwarte 1835-1839.- Zweite Hälfte des 19. Jahrhunderts ca. 1840-1890 (In der Regel Kreuzform).- Bonn: Universitäts-Sternwarte 1839-1845.- Athen: National-Observatorium 1842-1846.- Leiden: Universitäts-Sternwarte 1858-1860.- Kopenhagen: Universitäts-Sternwarte 1859-1861.- Zürich: Sternwarte der Technischen Hochschule 1861-1864.- Wien: Universitäts-Sternwarte 1874-1880.- Potsdam: Astrophysikalisches Observatorium 1874-1879.- Straßburg: Universitäts-Sternwarte 1877-1882.- Meudon (Paris): Astrophysikalisches Observatorium 1877-1893.- Bamberg: Remeis-Sternwarte 1886-1889.- Jena: Universitäts-Sternwarte 1888-1889.- Zeit der Moderne ca. 1875-1948 (Meist aufgeteilt und in höherer Lage).- Nizza: Universitäts-Sternwarte 1879-1886.- Brüssel-Uccle: Königliche Sternwarte 1883-1891.- Edinburgh-Blackford Hill: Königliche Sternwarte 1892-1896.- Heidelberg-Königstuhl: Landessternwarte 1896-1900.- Barcelona: Observatorium Fabra 1902-1904.- Pic du Midi: Universitäts-Sternwarte 1903-1907.- Ond?ejov: Akademie-Sternwarte 1905-1912.- Hamburg-Bergedorf: Hamburger Sternwarte 1906-1912.- Potsdam-Babelsberg: Universitäts-Sternwarte 1911-1915.- Budapest: Konkoly-Observatorium 1920-1928.- Castel Gandolfo: Vatikanische Sternwarte 1932-1935.- Jungfraujoch: Sphinx-Observatorium 1936-1937.- Pretoria: Radcliffe-Observatorium 1937-1948.- Sternwarten in Amerika ca. 1800-1948 (Verschiedene Formen).- Bogotá: National-Observatorium 1803.- Washington-Georgetown: Jesuiten-Sternwarte 1841-1843..- Mount Hamilton: Lick-Observatorium 1875-1888.- La Plata: Universitäts-Sternwarte 1883-1894.- México-Tacubaya: National-Observatorium 1884-1908..- Washington:US Marine-Observatorium 1887-1893.- Williams Bay: Yerkes-Observatorium 1892-1897.- Pittsburgh: Allegheny-Observatorium 1900-1912.- Mount Wilson: Hale-Observatorium 1904-1917..- Victoria: Dominion Astrophysikalisches Observatorium 1913-1918.- Mount Palomar: Hale-Observatorium 1935-1948.- Tonantzintla: Astrophysikalisches Observatorium 1941-1942.- Volks-Sternwarten und Späte Hochschul-Sternwarten seit 1888 (In der Regel Turmform).- Berlin: Urania Volks-Sternwarte 1888-1889.- Paris: Sorbonne-Sternwarte 1896-1901.- Frankfurt/Main: Universitäts- und Volks-Sternwarte 1904-1906.- Zürich: Urania Volks-Sternwarte 1905-1907.- Berlin-Treptow: Archenhold-Sternwarte 1908-1909.- Wien: Urania Volks-Sternwarte 1909-1910.- Dresden: Sternwarte der Technischen Universität 1910-1913.- München: Sternwarte am Deutschen Museum 1912-1925.- Stuttgart: Volks-Sternwarte 1921-1922.- Prag: Volks-Sternwarte 1928-1933.- Los Angeles: Griffith-Observatorium 1933-1935.- Kurze Geschichte der Sternwarten.- Bildnachweis.- Übersicht bedeutender Sternwarten.