"If I have seen further than others, it is by standing upon the shoulders of giants." —Sir Isaac Newton, born #OTD in 1642 (according to the calendar in use when he was born) . . . . . . . . . #science #history #sciencehistory #sciencehero #goals #sciencegoals #isaacnewton #shouldersofgiants #gift #sciencecommunication #scienceiscool #ilovescience #sciencecomm #physics #astronomy #astronomer #lookup #sky #math #mathematician