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She studied book illustration from a young age and developed her own tastes , but the work of the picture book triumvirate Walter Crane , Kate Greenaway and Randolph Caldecott , the last an illustrator whose work was later collected by her father , was a great influence .
 person: Walter Crane; person: Kate Greenaway; person: Randolph Caldecott
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Walter Crane; person: Kate Greenaway; person: Randolph Caldecott