Hampstead theatre, LondonRuby Thomas's play, based on a true story about a married couple in 18th-century Prussia who were tried for sodomy, is tender, musical and funny From Gentleman Jack to Orlando, the queer costume drama has been pushing debates around gender and sexuality into the mainstream in the disguise of rollicking good fun. Ruby Thomas has unearthed an altogether sadder story from early 18th-century Prus…
