I have made up the examples below.
(1a) Jack explained to me how the latest Physics theory of Quantum Mechanics is related to the previous one proposed by a few famous physicists five years ago.
(1b) Jack explained how the latest Physics theory of Quantum Mechanics is related to the previous one proposed by a few famous physicists five years ago to me.
(2a) I bought from John a special vase that was nicely designed by his grandparents and made by his father.
(2b) I bought a special vase that was nicely designed by his grandparents and made by his father from John.
Most of my non-native English speaking friends think the a's are correct. My other friends think the b's are right. I am not sure whose answer is correct. Please give me your answer. Thanks.
ansonguy (1a) Jack explained to me how the latest Physics theory of Quantum Mechanics is related to the previous one proposed by a few famous physicists five years ago. Correct. Within the right context, it may be possible to omit "to me" completely.
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ansonguy(1a) Jack explained to me how the latest Physics theory of Quantum Mechanics is related to the previous one proposed by a few famous physicists five years ago.
Correct. Within the right context, it may be possible to omit "to me" completely.
ansonguy(1b) Jack explained how the latest Physics theory of Quantum Mechanics i