So, who is “the man in the center with the blue tie”?
The Queen’s “financial advisor”,
http://en.wikipedia.org/wiki/Evelyn_Robert_de_Rothschild
for many years lead the family firm,
http://en.wikipedia.org/wiki/N_M_Rothschild_%26_Sons
which also managed the London
http://en.wikipedia.org/wiki/Gold_fixing