Harold Pinter theatre; Young Vic; Barbican; Hampstead theatre, LondonMark Rylance mesmerises as the tormented Hungarian doctor; Kwame Kwei-Armah's new satire is all too timely; Kyle Ramar Freeman is irresistible; and Will Young compels It was Mark Rylance who elected to bring Dr Semmelweis on to the stage with the help of writer Stephen Brown and director Tom Morris. The collaboration began during the pandemic when h…