Jan Hernych [SEP] sex or gender
Jan Hernych
Jan Hernych (born 7 July 1979) is a professional male tennis player from Czech Republic. Born in Prague, he turned pro in 1998 and achieved his career-high singles ranking of World No. 59 in April 2009. He won one doubles title and was runner-up in 's-Hertogenbosch in 2006.
Currently, he acts as one of the two trainers of the Czech tennis player Markéta Vondroušová, together with Jiří Hřebec. 
Career.
In 2005, he was the first
Hardcover - Jan 17, 2003)
- Brain and Longevity by Caleb E. Finch, Jean-Marie Robine and Yves Christen (Hardcover - Jan 31, 2003)
- Human Longevity, Individual Life Duration, and the Growth of the Oldest-Old Population (International Studies in Population) by Jean-Marie Robine, Eileen M. Crimmins, Shiro Horiuchi and Yi Zeng (Paperback - Sep 2007)
- Sex and Longevity: Sexuality, Gender, Reproduction, Parenthood (Research and Perspectives in Longevity) by Jean-