What kind of contributions did they make to early childhood education that is dudley grant and ruby meredith?

It seems you're asking about the contributions of Dudley Grant and Ruby Meredith to early childhood education. However, I haven't been able to find any information about these figures as prominent contributors to the field.

It's possible that:

* The names are spelled incorrectly: Double-check the spelling to see if there are variations that might lead to more relevant search results.

* They were local figures: They might have been influential within a specific community or region, but not known nationally or internationally.

* They were active in a different field: They might have made contributions in a related field, like child development or psychology, but not directly to early childhood education.

To help me find more information, could you provide more context?

For instance:

* Where did you hear about them? (e.g., a book, a lecture, a website)

* What is their approximate time period of activity?

* What kind of contributions do you think they might have made?

With more information, I might be able to help you find more about Dudley Grant and Ruby Meredith.