| 100% | SPENGLER | 8 | Oswald —, German philosopher whose two-volume work The Decline of the West was published in 1918 and 1923 |
| 58% | SPENGLER | 8 | Oswald —, German philosopher whose works include the two-volume The Decline of the West |
| 38% | SCHOPENHAUER | 12 | Arthur —, German philosopher whose works include The World as Will and Idea |
| 36% | JAMESJOYCE | 10 | The first part of his ''Ulysses'' was published in 1918 |
| 36% | RUISLIP | 7 | Town in the London Borough of Hillingdon whose two current MPs are Boris Johnson and Nick Hurd |
| 36% | RUISLIP | 7 | Town in the London Borough of Hillingdon whose two current MPs are David Simmonds and Danny Beales |
| 33% | RUMI | 4 | Poet whose work was set to music by Philip Glass and Robert Wilson in the chamber opera “Monsters of Grace” |
| 32% | NICHELLENICHOLS | 15 | Actress whose work with NASA is the focus of the documentary “Woman in Motion” |
| 32% | ROGET | 5 | Peter Mark —, English lexicographer whose Thesaurus of English Words and Phrases was published in 1852 |
| 32% | WILL | 4 | I was one of the men in "Men in Black" and I'm also father to two singers |
| 32% | ADIE | 4 | Kate —, journalist whose autobiography The Kindness Of Strangers was published in 2002 |
| 32% | COPERNICUS | 10 | Polish astronomer whose theory of the solar system was published in 1543 |
| 32% | ROGET | 5 | Peter Mark —, English physician and lexicographer whose Thesaurus of English Words and Phrases was published in 1852 |
| 31% | POPPER | 6 | Karl —, Vienna-born philosopher whose published works include 1957's The Poverty of Historicism |
| 31% | MARNE | 5 | River in NE France; scene of two unsuccessful German offensives in 1914 and 1918 |
| 31% | EYSENCK | 7 | Hans —, psychologist whose works include 1985's Decline and Fall of the Freudian Empire |
| 31% | ERASMUS | 7 | Desiderius —, Dutch humanist whose Greek edition of the New Testament was published in 1516 |
| 31% | SCOTTEASTWOOD | 13 | Actor who stars in "The Fate of the Furious", and whose father is Clint Eastwood: 2 wds. |
| 31% | DONUT | 5 | Treat whose varieties appear at the starts of four long answers and are represented a dozen times in this puzzle |
| 31% | SANDRABULLOCK | 13 | Actress who was EW's only two-time Entertainer of the Year, in 2009 and 2013: 2 wds. |
| 30% | STALLONE | 8 | Actor whose two acting Oscar nominations are for 1976 and 2015 portrayals of the same character |
| 30% | ANS | 3 | Org. that promotes the study of onomastics and whose annual conference is in SF next January |
| 30% | BIRDS | 5 | There are two, as the expression goes, in each of 16- and 55-Across |
| 30% | CARYELWES | 9 | Star of 33-Across whose memoir about it, "As You Wish," will be published in the fall of 2014: 2 wds. |
| 30% | HEART | 5 | & 25A Novella by Joseph Conrad narrated by the character Marlow published in 1902 volume Youth: a Narrative, and Two Other Stories |
| 30% | WITE | 4 | Saint whose relics were accidentally discovered in 1900 at the Church of the Holy Cross and St. Candida in Dorset, UK |
| 30% | EYSENCK | 7 | Hans —, Berlin-born British psychologist whose works include 1985's Decline and Fall of the Freudian Empire |
| 30% | JANEGOODALL | 11 | Writer whose second book about chimpanzees, "In the Shadow of Man," was published in 1971 (2 wds.) |
| 30% | LEIGH | 5 | Co-star of the film whose title is hidden sequentially in 20-, 34-, 41- and 52-Across |