From Kook Science
|Born||30 June 1918|
|Died||6 May 1970 (51)|
Los Angeles, California
|Affiliations||Los Angeles Interplanetary Study Group; Amalgamated Flying Saucer Clubs of America (AFSCA);|
|Known for||Flying Saucer boostering|
|Spouse(s)||Gabriel Green (m. 1960)|
Helen Sibert Green (June 30, 1918 - May 6, 1970) was an American saucerian, an early member of the Los Angeles Interplanetary Study Group, later becoming the Vice-President of Amalgamated Flying Saucer Clubs of America (AFSCA) and assistant editor of its newsletter.