If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
Based on the given information, the journal is a primary source.
<h3>What is a Primary Source? </h3>
This refers to the first-hand account of an event by a person that was physically present and is usually reliable.
Hence, we can see that based on the fact that the journal was published in the 20th century and most importantly, contains original sources of stories, this is a primary source.
Read more about primary sources here:
brainly.com/question/896456
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<span>C. Illyria
It is where </span><span>Shakespeare's</span> play the twelfth night takes place
The age of the universe, the identity of quasars, and the existence of dark energy.
