Derek Walcott

From 1985:

To live next door to Walcott, even for a week is to understand how he has managed to be so productive over the years. A prodigious worker, he often starts at about 4:30 in the morning and continues until he has done a four- or five-hour stint—by the time most people are getting up for the day.

Read more in Derek Walcott on the necessity of ritual