Henri Poincaré died on July 17, 1912 at the age of 58.
Henri Becquerel died on August 25, 1908 at the age of 55.
Henri Rousseau was born on May 21, 1844 and died on September 2, 1910. Henri Rousseau would have been 66 years old at the time of death or 171 years old today.
Henri Duveyrier was born on February 28, 1840 and died on April 25, 1892. Henri Duveyrier would have been 52 years old at the time of death or 175 years old today.
Auguste-Henri Forel was born on September 1, 1848 and died on July 27, 1931. Auguste-Henri Forel would have been 82 years old at the time of death or 166 years old today.
Paul-Henri Spaak was born on January 25, 1899 and died on July 31, 1972. Paul-Henri Spaak would have been 73 years old at the time of death or 116 years old today.
Henri Bergson died on January 4, 1941 at the age of 81.
Henri Verneuil died on January 11, 2002 at the age of 81.
Henri Duparc died on February 12, 1933 at the age of 85.
Henri Longchambon died on March 20, 1969 at the age of 72.
Henri Lebesgue died on July 26, 1941 at the age of 66.
Henri Vieuxtemps died on June 6, 1881 at the age of 61.
Henri Coandă died on November 25, 1972 at the age of 86.
Henri Duveyrier died on April 25, 1892 at the age of 52.
Henri Nestlé died on July 7, 1890 at the age of 75.
Henri Cartan died on August 13, 2008 at the age of 104.
Henri Colpi died on January 14, 2006 at the age of 84.
Henri Nathansen died on February 16, 1944 at the age of 75.