logo National Radio Astronomy Observatory —
Photo Credit: https://public.nrao.edu/

Astronomer Frank Drake — speaking at Cornell University in Schwartz Auditorium, 19 October 2017
Photo Credit: By Amalex5 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=122568884

February 1919 United States news coverage of the unrest in Germany — By US Newspapers - Omaha daily bee., February 22, 1919, Great Falls daily tribune., February 22, 1919, Omaha daily bee., February 23, 1919, The Washington times., February 23, 1919, NATIONAL EDITION
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=79803488

Bavarian Socialist Prime Minister Kurt Eisner —
Photo Credit: By Robert Sennecke - International Institute of Social History, Public Domain, https://commons.wikimedia.org/w/index.php?curid=12525144

Adolf Hitler, Emil Maurice, Hermann Kriebel, Rudolf Hess, and Friedrich Weber at Landsberg Prison —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=65393042

Defendants in the Beer Hall Putsch trial — 1 April 1924. From left to right: Pernet, Weber, Frick, Kriebel, Ludendorff, Hitler, Bruckner, Röhm, and Wagner. Note that only two of the defendants (Hitler and Frick) were wearing civilian clothes. All those in uniform are carrying swords, indicating officer status
Photo Credit: By Bundesarchiv, Bild 102-00344A / Heinrich Hoffmann / CC-BY-SA 3.0, CC BY-SA 3.0 de, https://commons.wikimedia.org/w/index.php?curid=5478829

Munich Marienplatz during the failed Beer Hall Putsch —
Photo Credit: By Bundesarchiv, Bild 119-1486 / CC-BY-SA 3.0, CC BY-SA 3.0 de, https://commons.wikimedia.org/w/index.php?curid=5415949

Kristallnacht — Interior view of the destroyed Fasanenstrasse Synagogue, Berlin, burned on Kristallnacht; November Pogroms
Photo Credit: By Center for Jewish History, NYC - Public Domain, https://commons.wikimedia.org/w/index.php?curid=24622435

cropped Nazi flag — Flag of the NSDAP during 1920 to 1945.
Photo Credit: By German Government - Public Domain, https://commons.wikimedia.org/w/index.php?curid=551410

Hofbräuhaus am Platzl in München — the former Hofbräu brewery site - The Hofbräuhaus am Platzl was founded in 1589 by the Duke of Bavaria, Wilhelm V. It is one of Munich's oldest beer halls. It was founded as the brewery to the old Royal Residence, which at that time was situated just around the corner from where the beer hall stands today.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1720476

The Hofbräukeller — The Hofbräukeller is a restaurant in Haidhausen, Munich, Germany owned by Hofbräuhaus brewery. This restaurant serves the traditional Bavarian cuisine and is less touristy than Hofbräuhaus am Platzl and more popular with the locals. It is a part of the Wiener Platz, home to the Wiener Markt.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=2556699