I'm a fan of designers and clothes that look beautiful but more importantly make me feel beautiful and confident. It's why I've always loved Stella McCartney and more recently Prabal Gurung. Their pieces are cool yet timeless and the fits are effortlessly flattering.
It is that of increasing knowledge of empirical fact intimately combined with changing interpretations of this body of fact - hence changing general statements about it - and not least a changing a structure of the theoretical system.