Alek Wek is a South Sudanese-British model and designer who began her fashion career at the age of 18 in 1995. She has been hailed for her influence on the perception of beauty in the fashion industry. source
Improvisation has to do with exploring something like two brothers in a room together. You find out things about situations by discovering the things that they aren't saying. It's a way to explore scenes. Sometimes it's more useful than others, but it's always there to see if there's anything that you might improve.