1991- africanamerican africanamericanwomenathletes africanamericanwomentrackandfieldathletes athleteswithdisabilities biography brill canada caster chineseamericanwomen conductoflife debbie genderidentity history intersexuality jumping moralandethicalaspects olympicathletes olympics participation semenya sociologicalaspects southafrica sports unitedstates womenolympicathletes womenwithdisabilities