Natan Karczmar

They included Armand Vaillancourt, Albert Roussil, Anne Kahane, Marcel Braitstein, Roland Giguère, Léon Bellefleur, Stanley Lewis and André Montpetit.

In 1983, Karczmar organized "Installation Contact" (Mivne Maga) on Kings Square in Tel Aviv, then in Haifa at Beth Rotschild and at the Acco Theater Festival with many games of communication, including 24 telephones in a closed circuit.

The first presentation of the Interactive Museum was in 1989 at the Art Planet Pavillon[5] with the collaboration of the French FR3 broadcasting station, at the Grand Palais, in Paris, during L'Europe des Créateurs event.

In July 2015 Karczmar directed ArtComTec videoconferencing seminars in the framework of ArtCamp at the Ladislav Sutnar Faculty of Design and Art University of West Bohemia, Plzen.

[6] In 2007, with Jean-Pierre Faye and Anguéliki Garidis,, Karczmar organized the Centre Averroès-Maïmonides[7] devoted to the Judeo-Muslim dialog and produces visioconferences between Paris and Israeli institutions having inter-community cultural activities.

At the occasion of the launching of Art Planet in 1989 at the Grand Palais in Paris during L'Europe des Créateurs, he publishes a text describing his actions and those of other artists, presenting them as « Relationnism ».

Portraits on the themes of the smile, the wink, and grimaces were taken, projected and put online on the site In, 2004, a commemoration of the fiftieth anniversary of the first festival of film on art held in 1954 was organized at the Tel Aviv and Jerusalem Cinematheques.

In 2009, a retrospective was organized at the occasion of the 25th anniversary of "Videocollectives" at the International Vidéoformes Festival in Clermont-Ferrand as well as in five Israeli cinematheques (Tel Aviv, Jerusalem, Haifa, Rosh-Pina, Sderot).