Because two of them were shaping the image of the Catholic church and affected the everyday's life of people. Also, they influenced the theology of the church a lot.
Explanation:
St. Augustine is one of the foremost theologians and philosophers in the Christian West. His works exerted a great influence on the development of Roman Catholic and later Protestant theology.
Although he was a Manichean in his youth, he later fought as a Christian bishop against the Manicheans. He was proclaimed a saint in the Christian West, which was later accepted in the Christian East, but with certain fences relating to some of Augustine's theological views, which proved controversial from the point of view of Christian orthodoxy.
Thomas Aquinas, is one of the greatest theologians and philosophers of the Middle Ages. His teachings are still very popular today.
Lamarck had the thought that if an organism experienced physical changes during their lifetime the next generation could receive similar characteristics and eventually become stronger. Taking into account this point we can say that Lysenko’s ideas were very similar to those of Lamarck.