Conversation so far:
How old was Alexandru Macedonski during his debut work?
Alexandru Macedonski was 18 years old.
What was Alexandru Macedonski doing during his debut years?
Alexandru Macedonski visited Pisa, Florence, Venice, and possibly other cities.

Question: At this time, had he written any literature yet?
Self-contained rewrite: At this time, had Alexandru Macendonski written any literature yet?