EntityQ1064149· pop 18· linked from 31 articlesCharles D. GemarSign in to saveAmerican astronautRecent publications · Crossref5 total works indexedSciPy 1.0: fundamental algorithms for scientific computing in Python · 2020 · cited 34,535xThe Pittsburgh sleep quality index: A new instrument for psychiatric practice and research · 1989 · cited 28,422xHuman-level control through deep reinforcement learning · 2015 · cited 22,894xArray programming with NumPy · 2020 · cited 22,019xReproducible, interactive, scalable and extensible microbiome data science using QIIME 2 · 2019 · cited 19,960xvia Crossref · CC0ConnectionsUnited States ArmyEntityNASA Astronaut CorpsEntityCategories1955 birthsAmerican people of German-Russian descentLiving peoplePeople from Yankton, South DakotaRecipients of the Defense Superior Service MedalSpace Shuttle program astronautsUnited States Army astronautsUnited States Army colonelsUnited States Military Academy alumni