If a historian wanted to determine whether iron tools could be found in the ruins of an ancient african city, which kind of expert should he consult?

Archaeologist

Explanation:

For a historian, it is necessary to identify the iron tools from the ancient ruins by consulting archaeologist. Archaeologist studies early human history through findings from the excavation sites and also by analysis of artifacts. They also go to different historical places to analyze by studying the scriptures, tools and the culture of the people living there.  

answer; the period of time known as the middle ages;