There were important overlaps between practitioners, and trying to classify them into alchemists, chemists and craftsmen is anachronistic.
ðɛɹwˌɜːɹ ɪmpˈoːɹtənt ˌoʊvɚlˈæps bᵻtwˌiːn pɹæktˈɪʃənɚz, ænd tɹˈaɪɪŋ tə klˈæsᵻfˌaɪ ðˌɛm ˌɪntʊ ˈælkɪmˌɪsts, kˈɛmɪsts ænd kɹˈæftsmɛn ɪz ˌænɐkɹənˈɪstɪk.