Gérard Cuny was born in 1925.
He completed his secondary school and his medical studies in Nancy. He began as an extern in 1946 and in 1950 he became an intern.
His thesis, defended in 1955, was dedicated to hypertension in the elderly.
His activity as a Chef de clinique between 1953 and 1957 inaugurated his actions in the field of Geriatrics.
In 1958, he was appointed head of the laboratory of medical pathology of the geriatric clinic opened the year before by Professor Herbeuval. Spurred on by his master, Professor René Herbeuval, Cuny directed his career toward the field of Gerontology.
Intern in medical pathology in 1959, he was Agrégé de médecine in 1961 before becoming a Maître de Conférences Agrégé de Médecine Générale et Thérapeutique - Médecin des Hôpitaux in 1964. He became holder of a Professor chair in 1969.
In October 1958 he participated to the first meeting of the clinical European section of the International Association of Gerontology in Sunderland (England), during which the Nancy school (R. Herbeuval and G. Cuny) will present the "Treatment of prostate cancer and adenoma of the prostate" in the session on "Genito-urinary disturbances in old age."
He will, together with E. Woodford-Williams, ensure the secretariat of the second meeting of this section, held in Vittel and Nancy in June 1959, under the chairmanship of R. Herbeuval and the honorary presidency of Dean J. Parisot.
He will attend regularly the subsequent meetings of the European section and the Congress of the International Association of Gerontology (The Hague, Brussels, Copenhagen, San Remo, London).
He contributed to reactivating the Nancy Gerontology school, which had from 1878 to 1913 provided complementary teaching in Geriatrics, and he continued developing this current with determination.
Founder member of the French Society of Gerontology since 1961, he held the presidency from 1970 to 1974.
Meanwhile, he founded the Society of Gerontology of the East which he presided from 1976 to 1979.
He was also a founding member of the O.N.P.A. (Office Nancéien des Personnes Agées).
In 1971, he created the Franco-British Geriatrics club, whose first meeting was held in Glasgow and which later became the European Geriatric Club.
He developed geriatric rehabilitation in Nancy. While he was gaining experience in London and Sweden, Dean J. Parisot and Professor Herbeuval materialized the project of a Rehabilitation Centre in the Nancy area. Gérard Cuny will be the project manager before becoming the technical adviser. Having served as Deputy Director of the Healthcare section of assistance to seniors of the Office of Social Hygiene of Meurthe-et-Moselle, he was elected President in 1989 and will continue his medico-social action in the field of Gerontology, as in that of infancy until May 1996, when, under the influence of his illness, he resigned.
His reputation, not only national but international, in the field of Gerontology where his work authoritative, determined his election or appointment in many regional, national and international organizations: Chairman of the Lorrain Centre for Social Gerontology, President of the Lorraine research Foundation, member of the scientific Advisory Board of the Center for Preventive Medicine of Nancy, in charge of the Council of Europe in Sweden, Norway and Denmark, expert QMS (Quality Management Systems), President of the French University Hospital Committee, member of the scientific Council of the National Institute of Demographic Studies, member of the board of the Scientific Council of the National Foundation of Gerontology, member of the High Medical Committee of Social Security.
He ensured for many years the inter-regional coordination of the Geriatrics DESC (Diplôme d'études spécialisées complémentaires) and the regional management Geriatry sector.
In 1993, he founded the Certificat Européen de Gérontologie en Action Sociale, whose Scientific Committee he presided until 1996. 
- "Gérard Guny". Retrieved 24 November 2013.