Inflation is the increase in the prices of goods and services across an economy. When prices inflate, you need more money to buy the same things. The opposite of inflation is deflation, when prices are lower across a range of goods and services.
James Howell, a 17th century historian cum writer was the first writer to earn his living from writing alone in the English language; other writers of those times pursued writing as a hobby, not a profession as writing alone never paid enough.
She is also one of the first composers to put her name onto her music, before her composers tended to remain anonymous. However she is not the earliest known composer there are several known to predate her, though we know very little about them: Kassia (810-865) was a Byzantine composer and abbot for the orthodox church. Khosrovidukht was an Armenian poet and composer died in 737 and wrote hymns, a few of which survive.