The company continued working, being managed by Witcomb's partners until 1970, when the material became part of the General Archive of the Nation as an evidence of the history of Argentina registered on photographs.

Witcomb witnessed and photographed the life of Buenos Aires in many aspects: streets, notable persons, transport, celebrations, social and historic facts.

Witcomb transformed all his photographic work, made up of about 300,000 plates, in real masterpieces because of both, his images' rich aesthetics and the invaluable value of the historic recording that they represent.

In 1908 the "Nexus" Group, which include painters such as Carlos P. Ripamonte, Justo Lynch, Pío Collivadino, Alberto Rossi, among others,[7] exhibited 99 works of art with a huge repercussion.

Some of them were Victoria Aguirre, Francisco Recondo, Ramón Silva, Fray Guillermo Butler, Raúl Mazza, Faustino Brughetti, Eduardo Schiaffino (who would later be named as director of the National Museum of Fine Arts), amongst others.

The 1930 featured the art of Atilio Malinverno, Juan Sol, Tito Gache, Adam Styka, Florencio Molina Campos, Rodolfo Franco, Mario Anganuzzi, Ángel della Valle, Alfredo Lazzari.

Some of the artists that featured their work were Raúl Soldi, Luis Macaya, Enrique Larrañaga, Marcos Tiglio, Florencio Molina Campos, Santiago Cogorno, Ramón Gómez Cornet, Raul Russo, Carlos Alonso, Leopoldo Presas, Jorge Larco, Antonio Berni, Pedro Figari, Ginez Parra, Rómulo Macció, Leopoldo Torres Agüero, and Quinquela Martín.

Some of the artists exhibiting during those years were Alberto Bruzzone, Quinquela Martín, Ricardo Sánchez, Batlle Planas, Pettoruti, Luis Centurión, Ramón Gómez Cornet, Cesáreo Quirós, Mario Mollari, César Bustillo.

The new generation of artists also had a place to exhibit their art, being Luis Felipe Noe, Antonio Seguí, Juan Grela, Lino Palacio, Vito Campanella, Sakai, Clorindo Testa, Jorge de la Vega, Rogelio Polesello among them.