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8h 56m • audio • first pub 2020 • 14 editions user-added
ISBN/UID: 9788728247785
Format: Audio
Language: Spanish
Publisher: SAGA Egmont
Edition Pub Date: 12 Oct 2023
Description
The most important question we must ask ourselves is, "Are we being good ancestors?" So said Jonas Salk, who developed the polio vaccine in 1953 but refused to patent it--forgoing profit so that more lives could be saved. Salk's radical generosi...
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Audiobook edition 8h 56m • audio • 2020
ISBN/UID: 9788728247785
Format: Audio
Language: Spanish
Publisher: SAGA Egmont
Edition Pub Date: 12 Oct 2023
user-added
Description
The most important question we must ask ourselves is, "Are we being good ancestors?" So said Jonas Salk, who developed the polio vaccine in 1953 but refused to patent it--forgoing profit so that more lives could be saved. Salk's radical generosi...