![Rick Dees on Twitter: "We just lost the greatest rocket scientist and the best friend anyone could ever have. Dr. Jakob Van Zyl (“Japie”) and his wife, Kalfie,(photo) have given us a Rick Dees on Twitter: "We just lost the greatest rocket scientist and the best friend anyone could ever have. Dr. Jakob Van Zyl (“Japie”) and his wife, Kalfie,(photo) have given us a](https://pbs.twimg.com/media/EgYO8CNUMAAz1Jn.jpg)
Rick Dees on Twitter: "We just lost the greatest rocket scientist and the best friend anyone could ever have. Dr. Jakob Van Zyl (“Japie”) and his wife, Kalfie,(photo) have given us a
![Azam Siddiqui on Twitter: "@USAndIndia @NASA @iamsrk @NASAKennedy @AshGowariker @MIB_India @DDNational @airnewsalerts @State_SCA Wow, that must have been amazing. My fan moment when I got to shoot an interview of Dr. Charles Azam Siddiqui on Twitter: "@USAndIndia @NASA @iamsrk @NASAKennedy @AshGowariker @MIB_India @DDNational @airnewsalerts @State_SCA Wow, that must have been amazing. My fan moment when I got to shoot an interview of Dr. Charles](https://pbs.twimg.com/media/EE5uELeVAAABBwC.jpg)
Azam Siddiqui on Twitter: "@USAndIndia @NASA @iamsrk @NASAKennedy @AshGowariker @MIB_India @DDNational @airnewsalerts @State_SCA Wow, that must have been amazing. My fan moment when I got to shoot an interview of Dr. Charles
![Jakob van Zyl (1957-2020) | Former Director for Solar System Exploration – NASA Solar System Exploration Jakob van Zyl (1957-2020) | Former Director for Solar System Exploration – NASA Solar System Exploration](https://solarsystem.nasa.gov/rails/active_storage/blobs/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBcHczIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--2d41548d938f8ad32580192d3c5e1cb1b1f8de40/45170900435_a88e87c9bf-800.jpg?disposition=attachment)