| 58111 | May.21 | Birth | 1929 – Robert Welch, English silversmith and industrial designer (d. 2000) |
| 58112 | May.21 | Birth | 1930 – Tommy Bryant, American bassist (d. 1982) |
| 58113 | May.21 | Birth | 1930 – Malcolm Fraser, Australian politician, 22nd Prime Minister of Australia (d. 2015) |
| 58114 | May.21 | Birth | 1932 – Inese Jaunzeme, Latvian javelin thrower and surgeon (d. 2011) |
| 58115 | May.21 | Birth | 1932 – Billy Wright, American singer (d. 1991) |
| 58116 | May.21 | Birth | 1932 – Leonidas Vasilikopoulos, Greek admiral and intelligence chief (d. 2014) |
| 58117 | May.21 | Birth | 1933 – Maurice André, French trumpet player (d. 2012) |
| 58118 | May.21 | Birth | 1933 – Yevgeny Minayev, Russian weightlifter (d. 1993) |
| 58119 | May.21 | Birth | 1934 – Jocasta Innes, Chinese-English journalist and author (d. 2013) |
| 58120 | May.21 | Birth | 1934 – Bob Northern, American horn player and bandleader |
| 58121 | May.21 | Birth | 1934 – Bengt I. Samuelsson, Swedish biochemist and academic, Nobel Prize laureate |
| 58122 | May.21 | Birth | 1935 – Terry Lightfoot, English clarinet player and bandleader (d. 2013) |
| 58123 | May.21 | Birth | 1936 – Günter Blobel, Polish-American biologist and academic, Nobel Prize laureate |
| 58124 | May.21 | Birth | 1938 – Lee "Shot" Williams, American singer (d. 2011) |
| 58125 | May.21 | Birth | 1939 – Heinz Holliger, Swiss oboe player, composer, and conductor |
| 58126 | May.21 | Birth | 1941 – Martin Carthy, English singer-songwriter, guitarist, and producer (Steeleye Span, The Watersons, Waterson:Carthy, Brass Monkey, and Blue Murder) |
| 58127 | May.21 | Birth | 1941 – Bobby Cox, American baseball player and manager |
| 58128 | May.21 | Birth | 1941 – Ambrose Greenway, 4th Baron Greenway, English photographer and politician |
| 58129 | May.21 | Birth | 1941 – Ronald Isley, American singer-songwriter, producer, and actor (The Isley Brothers) |
| 58130 | May.21 | Birth | 1942 – David Hunt, Baron Hunt of Wirral, English politician, Secretary of State for Wales |
| 58131 | May.21 | Birth | 1942 – Danny Ongais, American race car driver |
| 58132 | May.21 | Birth | 1943 – Vincent Crane, English pianist and composer (The Crazy World of Arthur Brown and Atomic Rooster) (d. 1989) |
| 58133 | May.21 | Birth | 1943 – Hilton Valentine, English guitarist and songwriter (The Animals) |
| 58134 | May.21 | Birth | 1944 – Haleh Afshar, Baroness Afshar, Iranian-English academic and politician |
| 58135 | May.21 | Birth | 1944 – Marcie Blane, American singer |
| 58136 | May.21 | Birth | 1944 – Janet Dailey, American author and screenwriter (d. 2013) |
| 58137 | May.21 | Birth | 1944 – Mary Robinson, Irish lawyer and politician, 7th President of Ireland |
| 58138 | May.21 | Birth | 1945 – Ernst Messerschmid, German physicist and astronaut |
| 58139 | May.21 | Birth | 1946 – Allan McKeown, English-American screenwriter and producer (d. 2013) |
| 58140 | May.21 | Birth | 1947 – Bill Champlin, American singer-songwriter, guitarist, and producer (Chicago and Sons of Champlin) |