Explanation:

- The concepts "Family of Orientation" and "Family of Procreation" describe two key types of family relationships in anthropology and sociology.

- "Family of Orientation" refers to the family in which a person is born and raised.

- "Family of Procreation" refers to the family created by an individual through marriage and having children.

- G. P. Murdock (Option 1) is the social anthropologist best known for introducing and popularizing these terms.

- L.H. Morgan (Option 2) studied kinship and social structure but did not coin these terms.

- Warner (Option 3) is known for community studies, not for these specific definitions.

- Johnson (Option 4) does not have direct relevance to these terms.

Correct Answer: Option 1 – G. P. Murdock