A couple nice remembrances in this month's IEEE Antennas and Propgation Magazine. https://ieeexplore.ieee.org/document/9392874 (https://doi.org/10.1109/MAP.2021.3061863) https://ieeexplore.ieee.org/document/9392868. (https://doi.org/10.1109/MAP.2021.3061876)