In 1950, Escrivá asked her to bring Opus Dei to Mexico. While there, she enrolled in a doctoral program in chemical sciences. At the university residences in Mexico, Ortiz and her associates emphasized concern for the poor and service to the Church and society.
Among the initiatives they spearheaded was a mobile medical clinic which went home-to-home in the poorest neighborhoods providing free care and medicine. She also promoted education among poor, indigenous Mexicans.
Six years later she was asked to assist Escrivá in Rome in the central government of Opus Dei, but not long after arriving she began to suffer conditions of a heart condition which meant she had to return to Spain. Despite the symptoms of the condition, including tiredness from walking and climbing stairs, she never complained.
In Madrid she continued her academic work, eventually completing and defending her doctorate in July 1965, at the age of 48.
She was the recipient of the Juan de la Cierva prize for her research work and was a chemistry teacher at an institute and at the Women's School for Industrial Studies, of which she became deputy head, for 10 years. She also set up the Center of Studies and Research of Domestic Sciences.
Ortiz was known to make frequent visits to the Blessed Sacrament to speak with Christ; she was also devoted to friends and students and those with whom she lived.
In 1975, doctors decided to operate on her heart. The operation, at the university clinic in Navarra, was successful, but several days afterward she suffered sudden respiratory failure.
In describing the moments before her death, Ortiz's brother said, "this was Guadalupe's great 'secret:' to always accept as good whatever happened to her. Around her, in those last hours of mortal anguish, all were lost in admiration: that same unforgettable smile."
She died on July 16, 1975, the feast of Our Lady Mount Carmel, in Pamplona.
Ortiz will be beatified by Cardinal Angelo Becciu, prefect of the Congregation for Saints, in Madrid May 18. For those who cannot attend in person, Opus Dei has created a mobile app called "Beatification Guadalupe Ortiz de Landazuri," which allows people to learn about her life and beatification in an interactive way.
The Vatican confirmed the miraculous healing, through Ortiz's intercession, of an elderly Spanish man with a small cancerous tumor next to his eye. This miracle paved the way for her beatification.
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A widower, Antonio Jesus Sedano Madrid, 76, contracted basal cell carcinoma in 2002. The cancer diagnosis gave Sedano a lot of anxiety. Before the surgery could take place, he found a prayer card for private devotion to Servant of God Guadalupe Ortiz de Landazuri.
He began to feel a personal and spiritual closeness to her and prayed for her intercession for his healing. His friends and three children began to do the same.
Sedano was particularly nervous before the operation to remove the tumor, and one night made a fervent request to Ortiz to intercede for his total cure, without the need for surgery. The following morning, when he awoke, the tumor was gone, without leaving a mark.
Doctors examined Sedano and could find no natural cause to explain the tumor's total and sudden healing. He remained cancer free for the rest of his life, living 14 more years until his death in 2014, at the age of 88, from heart disease.
Hannah Brockhaus is Catholic News Agency's senior Rome correspondent. She grew up in Omaha, Nebraska, and has a degree in English from Truman State University in Missouri.