The Nobel Prize in Literature 2020 was awarded to ______.

The correct answer is Louise Glück.

The Nobel Prize in Literature 2020 was awarded to the American poet Louise Glück. Let's understand why this answer is correct and who Louise Glück is:

Step 1: Identify the Award Year
The question specifically asks about the year 2020. The Nobel Prize in Literature is awarded annually by the Swedish Academy in Stockholm, Sweden, and recognizes an author's entire body of literary work.

Step 2: Recall the 2020 Laureate
On October 8, 2020, the Swedish Academy announced that the Nobel Prize in Literature for the year 2020 was awarded to Louise Glück (born April 22, 1943), an American poet and essayist.

Step 3: Understand the Citation
She was honored "for her unmistakable poetic voice that with austere beauty makes individual existence universal." This citation highlights the deeply personal yet universally resonant quality of her poetry.

Step 4: Key Facts About Louise Glück
- She is a U.S. poet from New York City.
- She has published numerous acclaimed poetry collections, including Ararat, The Wild Iris (which won the Pulitzer Prize in 1993), and Faithful and Virtuous Night.
- She served as the U.S. Poet Laureate in 2003–2004.
- She was a professor at Yale University and Stanford University.

Step 5: Eliminate the Other Options
- Olga Tokarczuk – Polish novelist who won the Nobel Prize in Literature for 2018 (awarded in 2019 due to the Swedish Academy's internal crisis).
- Kazuo Ishiguro – British-Japanese novelist who won the Nobel Prize in Literature for 2017.
- Peter Handke – Austrian author who won the Nobel Prize in Literature for 2019.

Conclusion:
Since the question asks specifically about the year 2020, and Louise Glück is the only person among the given options who received the Nobel Prize in Literature in that year, she is clearly the correct answer.