Joseph Flachaire de Roustan
- Born on August 22, 1882 in Écully
- Deceased in 1961, at the approximate age of 78 years
Parents
- Gabriel Flachaire de Roustan (1852 - 1914), marchand de soie, juge au Tribunal de Commerce de Lyon
- Emilie Neyrand (1859 - 1886)
Occupations
- ingénieur chimiste