Lu the Elepant and his friends
Grigory Philippovsky is a famous math teacher who works in Rusanivsky liceum in Kyiv, Ukraine.
He is not only a professional but also a very kind and big-hearted person, his pupils love him to bits.
For his hard and devoted work he received a several awards, the title "Teacher of the Year" is one of them.
I was honored to illustrate his two books and several articles.
Please do not use any part of these images anywhere, including non-commercial purposes.