April 25, 1874 - Guglielmo Marconi, an Italian inventor and electrical engineer, known for his pioneering work on long-distance radio transmission.
April 26, 1564 - William Shakespeare, an English poet and playwright, widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist.
April 27, 1951 - Paul Daniel "Ace" Frehley, an American musician best known as the former lead guitarist of the rock band Kiss.
April 28, 1941 - Ann-Margret Olsson, a Swedish-American actress, singer and dancer whose professional name is Ann-Margret.
April 29, 1958 - Michelle Marie Pfeiffer, an American actress.
April 30, 1839 - Floriano Vieira de Araújo Peixoto, a Brazilian soldier and politician, a veteran of the War of the Triple Alliance, and the second President of Brazil.
May 1, 1769 - Field Marshal Arthur Wellesley, an Irish-born British soldier and statesman, and one of the leading military and political figures of the 19th century.