Final answer:
Homer is recognized for transcribing Greek oral epics into written form, influencing Western literature significantly.
Step-by-step explanation:
The leading figure in the adaptation of oral traditions into written forms is a) Homer. Homer is credited with having transcribed the epic Greek oral poetry, such as The Iliad and The Odyssey, into written texts. These narratives played a significant role in preserving the history, culture, and traditions of ancient Greece and have influenced Western literature profoundly.
As for the other questions provided for reference, the Chinese view d) Sima Qian as the Father of History. The culture of East Africa is extensively understood through the works of d) IBN BATTUTA, and the invention of the radio is attributed to c) Guglielmo Marconi. Regarding the first writing system in the Western Hemisphere, it was developed by b) Maya.