The Kenyan rugby chemist – Kenyan rugby star Humphrey Kayange is in the midst of the HSBC Sevens World Series circuit, which ends in May with the finale in England.
The Kenyan rugby chemist – An elusive runner, the 31-year-old has scored more than 130 tries for his country in sevens since switching from his first love of football.
The Kenyan rugby chemist – Kayange is also a chemist in England, where he initially struggled to adapt from the warm climes of the sevens circuit to the wet weather of Bristol.
The Kenyan rugby chemist – Kenya have become firm favorites on the sevens circuit, partly due to their exuberant post-match dancing celebrations.
The Kenyan rugby chemist – Kayange aims to play for Kenya at this year's Commonwealth Games in Scotland and the 2016 Olympics in Rio, where sevens will make its debut.
The Kenyan rugby chemist – Kayange comes from a rugby-playing family -- his brother Collins Injera is Kenya's leading try scorer and is third on the IRB Sevens' all-time list.
The Kenyan rugby chemist – A third sibling, Michael Agevi, is also a member of the Kenya sevens team. Here he is in action against Wales at the Hong Kong Sevens in March, where Kenya won the third-tier Shield final as one of the teams that didn't qualify for the main tournament quarterfinals.