Re 'The Good Old Days';
There was certainly TV by '52 https://www.encyclopedia.com/media/e...asting-history
and Penicillin was introduced widely during WWII. https://www.acs.org/content/acs/en/e...ial-production
The ballpoint pen was invented in 1888 but didn't become commercially available till WWII also. History of Ballpoint Pens ? Who Invented Ballpoint Pen? But yeh; dramatic changes in the last 70 yrs.