1926, Zacatecas, Mexico.

April 2, 2002.

Isáis married Elisabeth Fletcher of Terre Haute, Indiana, in Costa Rica in 1955. He was ordained in Brooklyn, New York, in 1957, and was heavily involved in Latin American evangelistic missions. He taught at international gatherings, including the Billy Graham evangelism conferences in Amsterdam in 1986 and 2000, and participated in the Lausanne Congress on World Evangelization.

Isáis’ works include:

  1. Cristo Murió por Ti
  2. Oh, Señor, Recíbeme Cual Soy
  3. Te Vengo a Decir
  4. Ven, Amigo, a Jesús