In 1915, three years after launching Poetry Magazine,Harriet Monroe published “The Love Song of J. Alfred Prufrock” by the then-unknown T.S. Eliot — the poet’s first publication outside of a university press. (Cover of Vol. VI, No. III, June 1915, Poetry Magazine pictured above.)

In Brittanica, critic Allen Tate commented on Monroe’s vision and acumen as an editor by calling Eliot’s poem, “…the first masterpiece of ‘modernism’ in English…Nothing like the first three lines of ‘Prufrock’ had previously appeared in English poetry…It represented a [radical] break with the immediate past…” 

THE LOVE SONG OF J. ALFRED PRUFROCK (Excerpt)
by T.S. Eliot. 

Let us go then, you and I,
When the evening is spread out against the sky
Like a patient etherized upon a table;
Let us go, through certain half-deserted streets,
The muttering retreats
Of restless nights in one-night cheap hotels
And sawdust restaurants with…