2024-04-18- Robert Zimmerman celebrated his birthday - 85 today! 2024-01-24- Robert Zimmerman celebrated his birthday - 84 today! 2023-10-31- Robert Zimmerman celebrated his birthday - 83 today! 2023-08-07- Robert Zimmerman celebrated his birthday - 82 today! 2023-05-14- Robert Zimmerman celebrated his birthday - 81 today! 2023-02-18- Robert Zimmerman celebrated his birthday - 80 today! 2022-11-25- Robert Zimmerman celebrated his birthday - 79 today! 2022-09-01- Robert Zimmerman celebrated his birthday - 78 today! 2022-06-08- Robert Zimmerman celebrated his birthday - 77 today! 2022-03-15- Robert Zimmerman celebrated his birthday - 76 today!