asSalaam ‘alaykum wa Rahamtullah,
This might be some very old news but it was the first time I saw this. I got it from my uncle’s inbox. Masha’allah, Ahmed Deedat (May allah Have Mercy On his soul) was one of the most popular da’ees of his times in Comparitive religion. He stood out amongst other da’ees of his time due to his ability to quote and recall references nto only from the Qur’an and hadith literature but also the Bible. I believe he is the initiator of the da’wah or the manner of da’wah that Zakir Naik and others practice today.
And surprisingly Finland! Yes Finland out of all the European and Muslim and African (he was established in South Africa, it was Finland that decided to commemorate this man with a stamp. Well here it is: