POSTCARD - CHICAGO - MUSEUM OF SCIENCE AND INDUSTRY - AERIAL PANORAMA - THIS BUILDING WAS BUILT AS AN ART MUSEUM FOR 1893 WORLD'S FAIR, THE COLUMBIAN EXPOSITION - IT HAD EXTRA-THICK WALLS AS FIREPROOFING - AFTER THE FAIR IT BECAME THE TEMPORARY SITE FOR THE FIELD NATURAL HISTORY MUSEUM AND IT WAS CALLED THE FIELD MUSEUM - THEY MOVED IN 1920 - JULIUS ROSENWALD WAS THE HEAD OF SEARS AND HAD SEEN A SCIENCE MUSEUM IN GERMANY HE WANTED TO COPY - THE BUILDING WAS BY THEN IN BAD SHAPE (WORLD'S FAIR BUILDINGS ARE GENERALLY MEANT TO BE TEMPORARY) AND REQUIRED A LOT OF WORK - IT OPENED IN 1933 IN TIME FOR CHICAGO'S SECOND WORLD'S FAIR, THE CENTURY OF PROGRESS - THIS CARD LIKELY DATES TO THEN - I WORKED AS A WEEKEND GUIDE THERE AFTER HIGH SCHOOL AND WE RECEIVED A HISTORY LESSON AS PART OF TRAINING