2003

Exhibition at the Kremlin Museum in Moscouw.

1997

Exhibition at the Grand Theatre of Geneva.

1996

Exhibition at the “Floralies de Genève”, visited by 200´000 persons.

1995

Exhibition at the Royal Castle of Prague.

1992

Special invitation to exhibit in Buda Var (Budapest, Hungary).

1991

Exhibition at the Zwonnitsa Church of the Kremlin, Moscow.

(Since 1917, first living artist to be invited to exhibit his creations at the Kremlin).

1988

Awarded an “Oscar” at the Diamonds-lnternational Awards, (unique creator to obtain this distinction on ten occasions).

1982

Established on the Bahnhofstrasse, Zurich.

1979

Exhibition at the Gulbenkian Foundation, Lisbon.

1978

an “Oscar” at the Diamonds-lnternational Awards.

1975

Special invitation to the Biannual Exhibition, Sao Paulo for a foreign jeweller.

1973

June l4th, Gallery and Workshop are transferred to the Rue de la Corraterie, Geneva.

1971

Member of the Jury of the Diamond Academy, Tokyo.

1969

Member of the Jury of the Diamond Academy, New York.

1968

Member of the Jury of the Diamond Academy, New York.

1965

Exhibition at the Goldsmiths´ Hall of London : “Meteorites and Jewellery”.

1965

A warded an “Oscar” at the Diamonds-International Awards, New York.

1964

Awarded two “Oscars” at the Diamonds-lnternational Awards.

1963

Awarded two “Oscars” at the Diamonds-lnternational Awards.

1962

Created his own Workshop.

1961

Participated in London at the International Exhibition of Modern Jewellery (1890-1961 Goldsmiths´ Hall).

1960

Twice Winner of the “Prix de la Ville de Genève”.

1960

Awarded every year the “Oscar” at the Diamonds-International Awards.

1959

Awarded every year the “Oscar” at the Diamonds-International Awards.

1958

Awarded every year the “Oscar” at the Diamonds-International Awards.

1955

Designer and Head of Patek Philippe´s Workshop during 7 years.

1945

Studies in Jewellery and Designing at “l´Ecole des Arts Industriels”, Geneva.