| 39991 | April 7 | Birth | 1893 – Allen Dulles, American lawyer and diplomat, 5th Director of Central Intelligence (d. 1969) |
| 39992 | April 7 | Birth | 1895 – John Flannagan, American soldier and sculptor (d. 1942) |
| 39993 | April 7 | Birth | 1895 – Margarete Schön, German actress (d. 1985) |
| 39994 | April 7 | Birth | 1896 – Frits Peutz, Dutch architect, designed the Glaspaleis (d. 1974) |
| 39995 | April 7 | Birth | 1897 – Erich Löwenhardt, Polish-German lieutenant and pilot (d. 1918) |
| 39996 | April 7 | Birth | 1897 – Walter Winchell, American journalist and radio host (d. 1972) |
| 39997 | April 7 | Birth | 1899 – Robert Casadesus, French pianist and composer (d. 1972) |
| 39998 | April 7 | Birth | 1900 – Adolf Dymsza, Polish actor (d. 1975) |
| 39999 | April 7 | Birth | 1900 – Tebbs Lloyd Johnson, English race walker (d. 1984) |
| 40000 | April 7 | Birth | 1902 – Eduard Eelma, Estonian footballer (d. 1941) |
| 40001 | April 7 | Birth | 1903 – M. Balasundaram, Sri Lankan lawyer and politician (d. 1965) |
| 40002 | April 7 | Birth | 1903 – Edwin T. Layton, American admiral (d. 1984) |
| 40003 | April 7 | Birth | 1904 – Roland Wilson, Australian economist and statistician (d. 1996) |
| 40004 | April 7 | Birth | 1908 – Percy Faith, Canadian composer, conductor, and bandleader (d. 1976) |
| 40005 | April 7 | Birth | 1909 – Robert Charroux, French author and critic (d. 1978) |
| 40006 | April 7 | Birth | 1909 – Pete Zaremba, American hammer thrower (d. 1994) |
| 40007 | April 7 | Birth | 1911 – Hervé Bazin, French author and poet (d. 1996) |
| 40008 | April 7 | Birth | 1913 – Louise Currie, American actress (d. 2013) |
| 40009 | April 7 | Birth | 1913 – Charles Vanik, American soldier, judge, and politician (d. 2007) |
| 40010 | April 7 | Birth | 1914 – Ralph Flanagan, American pianist, composer, and conductor (d. 1995) |
| 40011 | April 7 | Birth | 1915 – Stanley Adams, American actor and screenwriter (d. 1977) |
| 40012 | April 7 | Birth | 1915 – Billie Holiday, American singer-songwriter and actress (d. 1959) |
| 40013 | April 7 | Birth | 1915 – Henry Kuttner, American author (d. 1958) |
| 40014 | April 7 | Birth | 1916 – Anthony Caruso, American actor (d. 2003) |
| 40015 | April 7 | Birth | 1917 – R. G. Armstrong, American actor and playwright (d. 2012) |
| 40016 | April 7 | Birth | 1918 – Bobby Doerr, American baseball player and coach |
| 40017 | April 7 | Birth | 1919 – Roger Lemelin, Canadian author and screenwriter (d. 1992) |
| 40018 | April 7 | Birth | 1919 – Edoardo Mangiarotti, Italian fencer (d. 2012) |
| 40019 | April 7 | Birth | 1920 – Ravi Shankar, Indian-American sitar player and composer (d. 2012) |
| 40020 | April 7 | Birth | 1921 – Feza Gürsey, Turkish mathematician and physicist (d. 1992) |