Stephen Sekula

Stephen Sekula at

From theNASciences on Twitter: Happy 156th birthday to us! The NAS was officially founded on March 3, 1863 by President Lincoln. Through @theNASEM, we provide objective, science-based advice on critical issues affecting the nation. Learn more about our history https://t.co/5hNNJIs5kX https://twitter.com/theNASciences/status/1102248533133062154/photo/1