International News Photos photograph titled 'Sir Laurence leaves for weekend whirl'. Caption on back reads: Sir Laurence Olivier starts his busiest week-end tonight by flying to New York. Tomorrow he has lunch with the Lunts and starts rehearsals for his appearance at the Carnegie Hall on Saturday. He is to speak the preamble to the first anniversary celebrations of the Declaration of the Human Rights by the U.N. He is also introducing a new music work. Afterwards he has dinner with Mrs. Roosevelt, General Eisenhower, Mr. Trygve Lie, President of the Assembly and flies back to London on Sunday for the rehersals of his play "Venus Observed". I.N.P. photo shows -- Sir Laurence seated in his car as he left for the Airport says goodbye to his wife Vivien Leigh, who couldn't go to the airport owing to her performance in "A Streetcar Named Desire".