Two works, 1A/8 (four words in total) and 27/36, are by authors born in 25 and 17 respectively. Two other unclued lights give their forenames: a further relevant name will appear in the completed grid and must be shaded. Ignore an apostrophe.

Across

7               Maybe bowler’s come again wanting wickets (3)

11            Turn out active ox not acceptable within summerhouse (6)

13            Soft landlord produces hammer (7)

15            Refuse to kill nearly everybody (5)

16            Insect notes garnered sesame (5)

18            About 586 yards past American state (5)

20            Brazen co-regent’s demand for more (6)

21            Pushers of quality drinking in...