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Bad Nauheim in Wetteraukreis, Hesse, Germany — Central Europe
 

Ludwigstraße
⎯⎯⎯
“Ludwig Street”

 
 
Ludwigstraße / “Ludwig Street” Marker image. Click for full size.
Photographed by Andrew Ruppenstein, May 22, 2024
1. Ludwigstraße / “Ludwig Street” Marker
Inscription.  
Die Ludwigstraße bildet eine Art Rahmen für den Sprudelhof. Hier befinden sich nicht nur die Verwaltungsgebäude des ehemaligen Staatsbades Bad Nauheim, sondern auch viele Hotels, Villen und Kliniken. Auch das Badehaus 8, in dem Albert Einstein 1920 seine Relativitätstheorie erstmals öffentlich verteidigte, stand auf dieser Straße.

(English translation:)
Ludwigstrasse forms a kind of support network for the Sprudelhof (a major bathhouse or spa complex). Not only are the administrative buildings of the former Bad Nauheim state spa located here, but also many hotels, villas and clinics. Bathhouse 8, in which Albert Einstein publicly defended his Theory of Relativity for the first time in 1920, was also located on this street.
 
Topics. This historical marker is listed in these topic lists: Industry & CommerceScience & Medicine. A significant historical date for this entry is September 23, 1920.
 
Location. 50° 21.945′ N, 8° 44.675′ E. Marker is in Bad Nauheim, Hessen (Hesse), in Wetteraukreis. It is on Ludwigstraße, on the right when traveling south. Touch for map. Marker is in this post office area: Bad Nauheim HE 61231, Germany. Touch for directions.

Regionally, it is in Europe, the European Union, Atlantic Europe, Central Europe, the Schengen Area, Western Europe, and the Western World. Historically, it finds itself in what was once the Roman Empire and specifically also the Holy Roman Empire.

Other nearby markers.
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At least 8 other markers are within walking distance of this marker: ”… Wes der Fürst, des der Glaub” / “…Whose Prince, Whose Faith” (within shouting distance of this marker); Die (Bad) Nauheimer Spielbank / The Bad Nauheim Casino (about 210 meters away, measured in a direct line); Parkstraße / “Park Street” (approx. 0.3 kilometers away); Gegen die Atombewaffnung / Against Nuclear Armament (approx. half a kilometer away); Kurhaus / Spa Complex (approx. half a kilometer away); Reinhardstraße / “Reinhard Street” (approx. 0.6 kilometers away); Berliner Meilenstein / Berlin Milestone (approx. 0.6 kilometers away); Elvis Aaron Presley (approx. 0.6 kilometers away). Touch for a list and map of all markers in Bad Nauheim.
 
Also see . . .
1. Ludwigstraße (Bad Nauheim Companion Tour). Scanning the QR code leads to the page for this street as part of the historical town walking tour. Includes an extended history and a couple of pictures.
A stage for relativity (in translation): There is one building, no longer extant, however, in which it can be said that history was written. It was on September 23, 1920, a Thursday. On that day at 9 a.m. a scholarly debate began in Bathhouse 8 that went down in history, and not just in the natural sciences: Albert Einstein entered the hall and defended his Theory of Relativity for the first time. You may
Ludwigstraße / “Ludwig Street” Marker - wide view image. Click for full size.
Photographed by Andrew Ruppenstein, May 22, 2024
2. Ludwigstraße / “Ludwig Street” Marker - wide view
have parked your car earlier where this historic Bathhouse 8 once stood, if you came by car.
(Submitted on June 24, 2024.) 

2. Albert Einstein (Bad Nauheim Archiv, in German). As part of set of pages on famous visitors to Bad Nauheim, the town archive has a page on Einstein’s visit.
Excerpt (in translation): The famous physicist and Nobel Prize winner came to Bad Nauheim for the 86th meeting of the Society of German Natural Scientists and Physicians, which took place from September 19 to 25, 1920.

Over 2,600 participants traveled to this congress, where over 300 lectures on all areas of medicine and natural science were held in all available rooms in the city.

Einstein's Theory of Relativity had come under criticism from some scientists. Nobel Prize winner Philipp Lenard also shared this critical stance. On September 23, a memorable discussion took place between Einstein and Lenard in Badehaus 8, in which the scientists presented and defended their different points of view.

Albert Einstein received the Nobel Prize a year later.
(Submitted on June 24, 2024.) 
 
Ludwigstraße - same postcard as on the marker image. Click for full size.
Photographed by Verlag S. von Hessen, Frankfurt a.M., circa 1920
3. Ludwigstraße - same postcard as on the marker
 
 
Credits. This page was last revised on July 5, 2024. It was originally submitted on June 24, 2024, by Andrew Ruppenstein of Lamorinda, California. This page has been viewed 151 times since then and 20 times this year. Photos:   1, 2, 3. submitted on June 24, 2024, by Andrew Ruppenstein of Lamorinda, California.
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Jun. 5, 2026