 In 1942 , the Tower Building was renovated due to the efforts of the Æsthetic Club , Little Rock philanthropist Frederick W. <unk> , and the Works Progress Administration . It became the new home of The Arkansas Museum of Natural History and Antiquities , which had been located in Little Rock City Hall . The museum remained in the tower building for approximately fifty @-@ five years . The area surrounding the Tower Building had been known as Arsenal Park when the first decommissioned and then later renamed City Park . Due to the efforts of Bernie Babcock , however , the city finally named it MacArthur Park in 1942 in honor of Douglas MacArthur . 
