Classical Sociological Theory

Step 1: Understanding Cyclical Theory.
The Cyclical Theory of social change suggests that civilizations and societies pass through cycles of growth, maturity, and decline, similar to natural life cycles.

Step 2: Originators.
\begin{itemize} \item Oswald Spengler, in his book "The Decline of the West," emphasized that every civilization grows and eventually declines. \item Arnold J. Toynbee also supported cyclical perspectives of history and civilization. \end{itemize}

Step 3: Conclusion.
Thus, Oswald Spengler and Arnold J. are considered the originators of the Cyclical Theory.

Final Answer: