<Li> Bruce Kison, 68, American baseball player (Pittsburgh Pirates, California Angels) and coach (Kansas City Royals), cancer . </Li> <Li> Álvaro Lapuerta, 90, Spanish politician and prosecutor, member of Francoist Cortes (1967--1977) and Deputy (1977--2004), complications from dementia . </Li> <Li> Roger A. Madigan, 88, American politician, member of the Pennsylvania House of Representatives (1977--1984) and Senate (1985--2008). </Li> <Li> Fernando Mazariegos, 80, Guatemalan chemist and inventor, Order of the Quetzal (2017), cardiac arrest . </Li>

Who died on the 20th of april 2018