Frankenheimer's rightful place in cinema history is as the key transitional figure between the two eras. (sensesofcinema.com)
For many of these members, some of whom have substantial followings of their own, Corbyn and those around him are seen as transitional figures. (politics.co.uk)
Kiki Smith, born around 1954, is a key transitional figure in America. (haberarts.com)