What does Jan Hus have to do with Czech spelling?

If you live in the Czech Republic, you’ll have been enjoying two extra days off from work due to a pair of consecutive public holidays this week. 5th July, Saints Cyril and Methodius day, and 6th July, Jan Hus day, both have a connection to the way Czech is written – but what is it? And is Czech really easier to learn to read and write than other languages? Our reporter and amateur linguistics enthusiast, Anna Fodor, spoke to well-known Czech linguist Karel Oliva, to find out.