Many profound discoveries have been accomplished by the best minds of our time. Penicillin, the combustion engine, the hormonal contraception pill, and the clearance pages of Argos. Among them is MI6's disappearing ink, and an appreciation for why it was quickly retired. 

For more reading on the Tuam Mother & Baby Home, visit:

https://edition.cnn.com/2019/09/07/europe/ireland-mother-and-baby-homes-intl/index.html