Dan Tana (far right) died last August at age 90. Stage names in Hollywood are legendary from Issur Danielovitch becoming Kirk Douglas to Maurice Micklewhite turning into  Michael Caine , and Frances Ethel Gumm magically morphing into Judy Garland. But in the Golden Era, even the restaurateurs reinvented themselves. Dobrivoje Tanasijević — a soccer prodigy from Belgrade who escaped Communist Yugoslavia — was known by the town as Dan Tana, proprietor of one of Hollywood’s most iconic restaurants. Tana died last August at age 90, but a book he completed shortly before he passed away is posthumously being published with tales of his rags-to-riches time serving the stars . “Everybody Came to Tana’s: An American Dream Come True,” out June 23 from Radius Book Group, details how the owner served VIPs including Elizabeth Taylor,  Jack Nicholson , Richard Burton and more.…