Richter Museum Day is Thursday, April 28 from 9 a.m. to 5 p.m. by Sue Bodilly · April 22, 2022 “Richter Museum Day” is Thursday, April 28, 2022 from 9 a.m. to 5 p.m. The Science Study Lounge in Lab Sciences, second floor, Lab Sciences, will be filled with museum specimens ranging from colorful exotic birds to wolf skulls and pelts.