List of Famous people who died at 88

İsmail Hakkı Karadayı was a Turkish general, who became the 20th Commander of the Turkish Armed Forces on 30 August 1993. He served between 1994 and 1998 as the 22nd Chief of the Turkish General Staff for a four-year term and was succeeded by General Hüseyin Kıvrıkoğlu. On 13 April 2018, a Turkish court sentenced him to life imprisonment for his role in the 1997 Turkish military memorandum. During his General Staff, the Turkish army carried out Operation Dawn and Hammer against the PKK in Northern Iraq.

Ferdinand Anton Ernst Porsche, mainly known as Ferry Porsche, was an Austrian-German technical automobile designer and automaker-entrepreneur. He operated Porsche AG in Stuttgart, Germany. His father, Ferdinand Porsche, Sr. was also a renowned automobile engineer and founder of Volkswagen and Porsche. His nephew, Ferdinand Piëch, was the longtime chairman of Volkswagen Group, and his son, Ferdinand Alexander Porsche, was involved in the design of the 911.

Norman Stanley Bailey was a British operatic bass-baritone who appeared in leading roles in major opera venues. After an early career in Austria and Germany, he settled in England and was associated with the English National Opera. One of his signature roles was Hans Sachs in Wagner's Die Meistersinger von Nürnberg, which he performed at La Scala in Milan in 1968 and at the Bayreuth Festival the following year. Later that year he was called upon at the last minute to play the part at the Royal Opera House in London when Hubert Hoffman had to pull out with a sore throat. He also played this part in his debut at the Metropolitan Opera in New York City in 1976.

Douglas Carl Engelbart was an American engineer and inventor, and an early computer and Internet pioneer. He is best known for his work on founding the field of human–computer interaction, particularly while at his Augmentation Research Center Lab in SRI International, which resulted in creation of the computer mouse, and the development of hypertext, networked computers, and precursors to graphical user interfaces. These were demonstrated at The Mother of All Demos in 1968. Engelbart's law, the observation that the intrinsic rate of human performance is exponential, is named after him.

İsmet Sezgin was a Turkish politician who served as the Deputy Prime Minister of Turkey and Minister of National Defense from 1997 to 1999, as the Speaker of the Grand National Assembly in 1995, as the Minister of the Interior from 1991 to 1993, as the Minister of Finance from 1979 to 1980 and as the Minister of Youth and Sports from 1969 to 1971. Between 1999 and 2002, he served as the Leader of the Democrat Turkey Party, but did not contest any elections.

Tanzan Ishibashi was a Japanese journalist and politician who was Prime Minister of Japan from 1956 to 1957. He was also Director General of the Japan Defense Agency in addition to being Prime Minister. During the same time he was the 2nd president of the Liberal Democratic Party, the majority party in the Diet. From 1952 to 1968 he was also the president of Rissho University. Being a member of Nichiren-shū, the name Tanzan is a religious name, as his profane name was Seizō (省三).

Alberto Manuel Rodríguez-Gallego González de Mendoza was an Argentine film actor who appeared in some 114 films between 1930 and 2005, spanning eight decades.

Kazuo Kumakura was a Japanese actor, voice actor, and theatre director. He was the head of the Theatre Echo agency at the time of his death.

Käthe Haack was a German stage and film actress. She appeared in more than 200 films and 30 television productions between 1915 and 1985.

Boris Alexandrovich Alexandrov was a Soviet and Russian composer and, from 1946 to 1986, the second head of the Alexandrov Ensemble which was founded by his father, Alexander Vasilyevich Alexandrov. Alexandrov reached the rank of Major-General and was awarded the order of Hero of Socialist Labour, the Lenin Prize and the State Prize of the USSR, and named People's Artist of the USSR.