http://www.telegraph.co.uk/culture/books/3644929/From-Masoni...

"His account of the Jews of the East End, for example, is rather thin, and the Jewish figure to whom he devotes the most attention is a distinctly minor - though colourful - character, the 18th-century sorcerer and "kabbalist extraordinaire" (as Glinert calls him) Chaim Jacob Samuel Falk. Glinert almost inevitably exaggerates his importance, and at the same time doesn't have space to bring out the full oddity of the story. There is no more than a passing mention, for instance, of Falk's assistant, Zvi Kalisch, who changed his name to Collins and whose family went into the theatre: one of his descendants was Lottie Collins, forever identified - by those who remember her - with the song "