ACROSS

 1 First ever laureate of two Nobel Prizes

 6 French heroine (of Arc)

10 Radiates

11 Hermione actress

12 Former Nigerian capital

13 January 6th occurrence

14 “If you ask me,” in text

15 Physics prefix

16 What TV advertisers buy

19 Second Caliphate after Muhammud’s death

23 English football

26 π + WNW

27 Hindu festival in Kerala

28 First Japanese woman to win U.S. Open

30 It’s a long story

31 More scarce

32 Simile words

33 Alternative to stocks

DOWN 

 1 Queen of Salsa 

 2 Miso soup taste

 3 Opposite of leniency

 4 First female skater to land a triple axel

 5 Start to “start”

 6 English Channel Isle with a U.S. state named after it

 7 Leave out

 8 Love, in Lima

 9 Western alliance, briefly

15 M.D.’s org.

17 “Conductor” of Underground Railroad

18 “Am _ _ brother’s keeper?”

20 Long (for)

21 Queried

22 Sweeties

23 Parks at a bus station

24 Some, in Spain

25 Lady with a “Bad Romance”

28 Poet’s eye

29 ___ Paulo, Brazil

Solution