| 100% | ENGELS | 6 | Friedrich —, co-author with Karl Marx of 1848's The Communist Manifesto |
| 79% | ENGELS | 6 | Friedrich —, co-author with Karl Marx of The Communist Manifesto |
| 41% | ENGELS | 6 | "Communist Manifesto" co-author with Marx |
| 39% | ENGELS | 6 | Marx's co-author for "The Communist Manifesto" |
| 38% | ENGELS | 6 | Co-author of "The Communist Manifesto" |
| 38% | MARX | 4 | Co-author of "The Communist Manifesto" |
| 37% | TUTU | 4 | Co-author of 2016's "The Book of Joy," along with the Dalai Lama |
| 37% | MARX | 4 | Author of "The Communist Manifesto" |
| 36% | ENGELS | 6 | "The Communist Manifesto" co-author |
| 35% | CAPEK | 5 | Author of sci-fi's "War With the Newts" |
| 34% | MARXIAN | 7 | To do with the ideas of Karl Marx |
| 33% | DANA | 4 | With 21-Down, journalist who co-hosts CNN's "State of the Union" |
| 33% | JULES | 5 | With 141-Down, author whose work is the basis of this puzzle's theme |
| 33% | ENGELS | 6 | Friedrich, who joined with Karl in authoring "The Holy Family" in 1844 |
| 33% | KARL | 4 | Marx who co-wrote "The Communist Manifesto" |
| 33% | ANNERICE | 8 | Author of Interview with the Vampire |
| 33% | ANNERICE | 8 | Author of "Interview With the Vampire" |
| 32% | JOE | 3 | With 43-Across, author of the quote |
| 32% | AMBROSE | 7 | With 43-Down, author of the definition |
| 32% | MARGARET | 8 | With 53-Across, author of the quote |
| 32% | ANNE | 4 | Author Rice of "Interview with the Vampire" |
| 32% | MARX | 4 | "The Communist Manifesto" author |
| 32% | MARX | 4 | “The Communist Manifesto” author |
| 32% | DALAILAMA | 9 | With Desmond Tutu, co-author of the 2016 best seller "The Book of Joy" |
| 32% | MARADONA | 8 | With Pelé, co-winner of FIFA's Player of the Century award |
| 32% | AYN | 3 | Co-founder of the Objectivist movement with Nathaniel |
| 32% | DUMAS | 5 | "The Lady of the Camellias" author, 1848 |
| 31% | ENGELS | 6 | Marx's collaborator on "The Communist Manifesto" |
| 31% | NAOMI | 5 | With 39-Across, Japanese tennis player and co-winner of Sports Illustrated's 2020 Sportsperson of the Year |