Lowell Lincoln Wood Jr. (born 1941) is an American astrophysicist who has been involved with the Strategic Defense Initiative and with geoengineering studies. He has been affiliated with Lawrence Livermore National Laboratory and the Hoover Institution, and chaired the EMP Commission. Wood is a prolific inventor listed on 1,761 U.S. patents as of August 21, 2018. Wood passed Thomas Edison on June 30, 2015, becoming the all-time most prolific inventor from the United States based on number of issued U.S. utility patents.