Name The Year: Herbert Hoover 31st president of US, dies in NY at 90.?

Questions

about what was michael jackson's song?

in the pioneer spacecraft, what are the humans on the plaques?

the willow ptarmigan is the state bird of?

what chief justice headed the commission that declared 'lee harvey oswald...acted alone'¿?

in what game does the new york institute for the investigation of rolling spheroids specialize bowery hat is the seventh day of the week?