Verse Comparison: Hebrews 5:9
American Standard Version
and having been made perfect, he became unto all them that obey him the author of eternal salvation;
Amplified® Bible
And, [His completed experience] making Him perfectly [equipped], He became the Author {and} Source of eternal salvation to all those who give heed {and} obey Him,
Darby English Version
and having been perfected, became to all them that obey him, author of eternal salvation;
International Standard Version
and, once made perfect, he became the source of eternal salvation for all who obey him,
King James Version
And being made perfect, he became the author of eternal salvation unto all them that obey him;
Young's Literal Translation
and having been made perfect, he did become to all those obeying him a cause of salvation age-during,