English: Group photo of the participants of the First General Assembly of the International Seismological Association in The Hague 1907, courtesy of GeoForschungsZentrum (GFZ), Potsdam.

https://dgg-online.de/WordPress_01/wp-content/uploads/2015/06/Ch79-24CDpartA.pdf

The persons were identified on the original picture (for numbers see the markup)

• 1 Tams (de)
• 2 Rudolph (fr)
• 3 Spas-Watsof
• 4 Schütt (de)
• 5 Mainka (de)
• 6 Prince Galitzin
• 7 Mad^lle Gerland
• 8 Lewitzky (Staatsrat, Tartu)
• 9 von dem Borne (de)
• 10 Michailovitsch
• 11 Aguilera
• 12 Kaisin
• 13 Mde. Comas Sola
• 14 Gerland
• 15 Messerschmitt
• 16 Wiechert
• 17 Stein
• 18 Oddone, (Emilio, 1861-1940, Prof., Pavia)
• 19 Zeissig
• 20 de Kövesligethy
• 21 Mde. de Azcarate
• 22 Lagrange (fr)
• 23 Schmidt
• 24 Palazzo (it)
• 25 Hausmann
• 26 Darboux
• 27 Mde. de Kövesligethy
• 28 Omori
• 29 de Azcarate
• 30 Klotz
• 31 van der Stok (Johannes Paulus van der Stok, 14 Jan 1851 - 29 Mar 1934, e.g. [1])
• 32 Navarro-Neumann
• 33 Mde. Rudolph
• 34 Forel
• 35 Nakamura
• 36 Mier y Muira
• 37 Comas Sola
• 38 Mad^e Rosenthal
• 39 Cremer
• 40 Berloty
• 41 van Everdingen
• 42 Rosenthal (et)
• 43 Mad^lle Lewitzky
• 44 Agamennone (it)
• 45 Rethly
• 46 Romeyn
• 47 Egenitis (el)
• 48 Reid
• 49 Bⁿ van Voorst tot Voorst
• 50 Lecointe
• 51 van Rijckevorsel (nl)
• 52 Levoir
• 53 Hartman
• 54 Bigourdan

Schuster, Haid, and Hecker (de) were named as missing on the photograph.