Hello, The weekly Argonne Computing Coffee Hours are going well with having presentations each week to facilitate everyone getting to know about each other’s computing activities to enable more collaborations. The coffee hours take place on Wednesdays, 2pm – 3pm in the Viz Lab on the 4th floor, 4312. If you have not given a talk or scheduled to give a future talk, we invite you to identify some dates that work for you to give a 5-minute presentation about your current and future activities via the following doodle polls for dates 1/2/2019 – 6/26/2019: https://doodle.com/poll/m44krh7u5d9hpu4i The speaker for today is Johannes Brust. The title of Johannes’s talk is “Large-Scale Quasi-Newton Methods.” Janet