100436
As Wilhelm Schmidt 's superheater went into series production , Karl Gölsdorf modified the Class 329 into the superheated variant " 429 " .
 Wilhelm Schmidt, Karl Gölsdorf
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Wilhelm Schmidt, Karl Gölsdorf