Roger Baÿ
- Born on December 23, 1887
- Deceased on July 17, 1948, at the age of 60 years
Parents
- Edmond Bay (1850 - 1913), représentant de commerce, négociant
- Léonie Crétu (1856 - 1938)
Family
- Married on February 5, 1919 in Paris, with Germaine Colombel (1895 - )
Occupations
- ingénieur