Prof. Dr. Stefan Graeser
Mineralogist. Emerit Professor in the Basel University (Basel, Switzerland). Since 1958 is member from the different Lengenbach societies. Expert on LGB minerals Dr. Graeser have described ca. twenty new minerals. The species graeserite was named in recognition of his extensive research on the oxides and sulfosalts of arsenic in the Binntal area.
Basel and Binn (Switzerland)
Natural History Museum Basel & Mineralogisch-Petrographisches Institut -Universität Basel
stefan.graeser@unibas.ch

Walter Gabriel
A well-known mineral photographer and expert of the Lengenbach mineralogy. The new mineral from LGB gabrielite, published in 2006, was named in his honour.

Münchenstein (Switzerland)

Claudio Albertini
Claudio is a well-known mineral collector of different localities: Ossola valley, Binntal, Mont Saint Hilaire and historical specimens. He also collects mineralogy books. He has published more than 50 articles about Ossola Valley mineralogy in international magazines and the book "L'Alpe Devero ed i suoi minerali" (1991). He discovered a new arsenite: fetiasite. He is member of many mineralogical associations and president of Gruppo Mineralogico Ossolano (Villadossola, VB).
Omegna (Italy)
c.albertini@email.it

Ralph Cannon
From the Graphic Arts area, good photographer. Interested in the Binntal and Dolomite mineralogy from more than 30 years. He has published different articles on LGB minerals and he is from 2003 FGL technical director of LGB quarry. He is working in the quarry during the skilful season.

Kassel (Deutschland) and Binn (Switzerland)

Dr. Eva Drechsler
Long interested in mineral deposits and mining in Alpine areas (Lungau / salzburg). Since 1998 in Lengenbach. President of the VFL.

Leonding (Austria)
e.drechsler@izone.at

Markus Ecker
Mineral collector since more than 30 years, he is interested in LGB minerals and also Tsumeb and Kalahari Manganese Fields minerals. He is a spezialist in LGB and he has studied also diferent new minerals from the quarry and published different articles.

Schiffweiler (Deutschland)

Franz Guntern
President of the FLG.

Giessen, Binn (Switzerland)

Dr. Thomas Raber
Chemist and LGB mineral collector since more than 20 years. He has analyzed several specimens from LGB and has published many articles about LGB minerals and Dolomite deposits. He is the vicepresident of the VFL.

Freiburg (Deutschland)

Dr. Philippe Roth
Philippe is geophysic and a great expert on Swiss mineralogy. He has published teh book "Minerals First Discovered in Switzerland and Minerals Named after Swiss Individuals" with the support of the Swiss Academy of Sciences, the B. & T. Tissières Martigny Foundation and the Museum of Geology of Lausanne (Switzerland).

Zurich (Switzerland)

David Hospital
Chemist and LGB mineral collector since many years ago. He has published one of the few articles not in German language about LGB in the Revista de Minerales mineral magazine (spanish and catalan). He also has colaborated in different publications as the book Faszination Lengenbach. He is member of the catalan mineralogical association in Barcelona and also co-editor of the Mineral Up magazine.
Barcelona (Catalunya)
david365@eresmas.net

Joan Rosell
Chemist, mineral photographer and LGB mineral collector. He has colaborated in different publications on LGB minerals as the book Faszination Lengenbach. He has published some articles on European mineralogy in different magazines. He collaborates with the Natural History Museum of Barcelona. Member of the Grup Mineralògic Català in Barcelona, also director of the internal magazine "infominer" and collaborates in the Mineral Up magazine.
El Prat de Llobregat and Barcelona (Catalunya)
jrosell@minercat.com

Lothar Meckel
Lothar is the owner of the KristalloGrafik Verlag. He has published some really interesting books on mineralogy with an exquisite quality. We would like to citate some of them: "Minerals first discovered in Switzerland and minerals named after Swiss individuals" by Philippe Roth (2007), the useful "Kristalle und ihre Formen - Band 1 + 2" by Erich Offermann (2 vol. in German, 2004) and "Faszination Lengenbach (1958-2008)" by S. Graeser, R. Cannon, E. Drechsler, P. Roth and T. Raber (2008).
Achberg (Deutschland)
info@kristallografikverlag.de

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a photo and a short biography (e-mail if you want) to  jrosell@minercat.com